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10111131012 = 22373137173487
BaseRepresentation
bin10010110101010101…
…11001110110000100
3222002122212200012210
421122222321312010
5131201422143022
64351152343420
7505364124033
oct113252716604
928078780183
1010111131012
114319519424
121b62244b70
13c51a2a578
146bcc1071a
153e2a10a0c
hex25aab9d84

10111131012 has 96 divisors (see below), whose sum is σ = 24279397632. Its totient is φ = 3274131456.

The previous prime is 10111131011. The next prime is 10111131031. The reversal of 10111131012 is 21013111101.

10111131012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (10111131011) 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, 20761833 + ... + 20762319.

It is an arithmetic number, because the mean of its divisors is an integer number (252910392).

Almost surely, 210111131012 is an apocalyptic number.

10111131012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10111131012 is an abundant number, since it is smaller than the sum of its proper divisors (14168266620).

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

10111131012 is a wasteful number, since it uses less digits than its factorization.

10111131012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877 (or 875 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 10111131012 its reverse (21013111101), we get a palindrome (31124242113).

The spelling of 10111131012 in words is "ten billion, one hundred eleven million, one hundred thirty-one thousand, twelve".

Divisors: 1 2 3 4 6 12 73 137 146 173 219 274 292 346 411 438 487 519 548 692 822 876 974 1038 1461 1644 1948 2076 2922 5844 10001 12629 20002 23701 25258 30003 35551 37887 40004 47402 50516 60006 66719 71102 71103 75774 84251 94804 106653 120012 133438 142204 142206 151548 168502 200157 213306 252753 266876 284412 337004 400314 426612 505506 800628 1011012 1730173 3460346 4870487 5190519 6150323 6920692 9740974 10381038 11542387 12300646 14611461 18450969 19481948 20762076 23084774 24601292 29222922 34627161 36901938 46169548 58445844 69254322 73803876 138508644 842594251 1685188502 2527782753 3370377004 5055565506 10111131012