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20612124314260 = 2257181117898373
BaseRepresentation
bin1001010111111001000100…
…10110010000101010010100
32200222111111101100112121021
410223330202112100222110
510200202112311024020
6111501025034330524
74225114440603613
oct453744226205224
980874441315537
1020612124314260
116627609900366
12238a926889a44
13b6693aa8059b
145138bc83d87a
1525b27e32d1aa
hex12bf22590a94

20612124314260 has 48 divisors (see below), whose sum is σ = 43949242576512. Its totient is φ = 8118701539200.

The previous prime is 20612124314251. The next prime is 20612124314311. The reversal of 20612124314260 is 6241342121602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7797567 + ... + 10100806.

It is an arithmetic number, because the mean of its divisors is an integer number (915609220344).

Almost surely, 220612124314260 is an apocalyptic number.

20612124314260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20612124314260 is an abundant number, since it is smaller than the sum of its proper divisors (23337118262252).

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

20612124314260 is a wasteful number, since it uses less digits than its factorization.

20612124314260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17899264 (or 17899262 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

Adding to 20612124314260 its reverse (6241342121602), we get a palindrome (26853466435862).

The spelling of 20612124314260 in words is "twenty trillion, six hundred twelve billion, one hundred twenty-four million, three hundred fourteen thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 71 142 284 355 710 811 1420 1622 3244 4055 8110 16220 57581 115162 230324 287905 575810 1151620 17898373 35796746 71593492 89491865 178983730 357967460 1270784483 2541568966 5083137932 6353922415 12707844830 14515580503 25415689660 29031161006 58062322012 72577902515 145155805030 290311610060 1030606215713 2061212431426 4122424862852 5153031078565 10306062157130 20612124314260