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10223131112 = 231277891389
BaseRepresentation
bin10011000010101100…
…01001100111101000
3222101110121212110122
421201112021213220
5131414110143422
64410233102412
7511224115655
oct114126114750
928343555418
1010223131112
114376766797
121b93857a08
13c6bcb310c
146cda46c2c
153ec785d42
hex2615899e8

10223131112 has 8 divisors (see below), whose sum is σ = 19168370850. Its totient is φ = 5111565552.

The previous prime is 10223131109. The next prime is 10223131153. The reversal of 10223131112 is 21113132201.

It can be written as a sum of positive squares in only one way, i.e., 10049260516 + 173870596 = 100246^2 + 13186^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 638945687 + ... + 638945702.

Almost surely, 210223131112 is an apocalyptic number.

It is an amenable number.

10223131112 is a deficient number, since it is larger than the sum of its proper divisors (8945239738).

10223131112 is a wasteful number, since it uses less digits than its factorization.

10223131112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277891395 (or 1277891391 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 10223131112 its reverse (21113132201), we get a palindrome (31336263313).

The spelling of 10223131112 in words is "ten billion, two hundred twenty-three million, one hundred thirty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 1277891389 2555782778 5111565556 10223131112