Search a number
-
+
10122311200 = 2552106311903
BaseRepresentation
bin10010110110101011…
…00011011000100000
3222010102220200112211
421123111203120200
5131212302424300
64352232131504
7505561140241
oct113325433040
928112820484
1010122311200
114324865251
121b65b36b94
13c54143371
146c04c0cc8
153e39bd4ba
hex25b563620

10122311200 has 72 divisors (see below), whose sum is σ = 24736416768. Its totient is φ = 4044775680.

The previous prime is 10122311197. The next prime is 10122311209. The reversal of 10122311200 is 211322101.

It is a super-2 number, since 2×101223112002 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10122311209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 844449 + ... + 856351.

It is an arithmetic number, because the mean of its divisors is an integer number (343561344).

Almost surely, 210122311200 is an apocalyptic number.

10122311200 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 10122311200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12368208384).

10122311200 is an abundant number, since it is smaller than the sum of its proper divisors (14614105568).

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

10122311200 is a wasteful number, since it uses less digits than its factorization.

10122311200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12986 (or 12973 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10122311200 its reverse (211322101), we get a palindrome (10333633301).

The spelling of 10122311200 in words is "ten billion, one hundred twenty-two million, three hundred eleven thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 1063 2126 4252 5315 8504 10630 11903 17008 21260 23806 26575 34016 42520 47612 53150 59515 85040 95224 106300 119030 170080 190448 212600 238060 297575 380896 425200 476120 595150 850400 952240 1190300 1904480 2380600 4761200 9522400 12652889 25305778 50611556 63264445 101223112 126528890 202446224 253057780 316322225 404892448 506115560 632644450 1012231120 1265288900 2024462240 2530577800 5061155600 10122311200