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10201231234120 = 23529611116112917
BaseRepresentation
bin1001010001110010100011…
…0000111001010001001000
31100010020011100022010000111
42110130220300321101020
52314114110143442440
633410214140444104
72102005006535203
oct224345060712110
940106140263014
1010201231234120
1132833550a4683
121189097849634
1358cc835867a4
14273a5695093a
1512a5565224ea
hex94728c39448

10201231234120 has 128 divisors (see below), whose sum is σ = 24137525858400. Its totient is φ = 3874552012800.

The previous prime is 10201231234099. The next prime is 10201231234123. The reversal of 10201231234120 is 2143213210201.

It can be written as a sum of positive squares in 16 ways, for example, as 691914530596 + 9509316703524 = 831814^2 + 3083718^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10201231234091 and 10201231234100.

It is not an unprimeable number, because it can be changed into a prime (10201231234123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 789745902 + ... + 789758818.

Almost surely, 210201231234120 is an apocalyptic number.

10201231234120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10201231234120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12068762929200).

10201231234120 is an abundant number, since it is smaller than the sum of its proper divisors (13936294624280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10201231234120 is a wasteful number, since it uses less digits than its factorization.

10201231234120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24179 (or 24175 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 10201231234120 its reverse (2143213210201), we get a palindrome (12344444444321).

The spelling of 10201231234120 in words is "ten trillion, two hundred one billion, two hundred thirty-one million, two hundred thirty-four thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 29 40 58 61 116 122 145 232 244 290 305 488 580 610 1160 1220 1769 2440 3538 7076 8845 11161 12917 14152 17690 22322 25834 35380 44644 51668 55805 64585 70760 89288 103336 111610 129170 223220 258340 323669 374593 446440 516680 647338 680821 749186 787937 1294676 1361642 1498372 1575874 1618345 1872965 2589352 2723284 2996744 3151748 3236690 3404105 3745930 3939685 5446568 6303496 6473380 6808210 7491860 7879370 12946760 13616420 14983720 15758740 19743809 22850173 27232840 31517480 39487618 45700346 78975236 91400692 98719045 114250865 144166637 157950472 182801384 197438090 228501730 288333274 394876180 457003460 576666548 720833185 789752360 914006920 1153333096 1441666370 2883332740 4180832473 5766665480 8361664946 8794164857 16723329892 17588329714 20904162365 33446659784 35176659428 41808324730 43970824285 70353318856 83616649460 87941648570 167233298920 175883297140 255030780853 351766594280 510061561706 1020123123412 1275153904265 2040246246824 2550307808530 5100615617060 10201231234120