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10111331023 = 1929711311973
BaseRepresentation
bin10010110101010111…
…01010101011001111
3222002200020211120121
421122223222223033
5131202000043043
64351200525411
7505365616123
oct113253525317
928080224517
1010111331023
114319645722
121b62320867
13c51a9a611
146bcc63583
153e2a4eded
hex25aaeaacf

10111331023 has 32 divisors (see below), whose sum is σ = 11256537600. Its totient is φ = 9044380800.

The previous prime is 10111331017. The next prime is 10111331051. The reversal of 10111331023 is 32013311101.

It is not a de Polignac number, because 10111331023 - 25 = 10111330991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10111330988 and 10111331006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111331123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5123865 + ... + 5125837.

It is an arithmetic number, because the mean of its divisors is an integer number (351766800).

Almost surely, 210111331023 is an apocalyptic number.

10111331023 is a deficient number, since it is larger than the sum of its proper divisors (1145206577).

10111331023 is a wasteful number, since it uses less digits than its factorization.

10111331023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 10111331023 its reverse (32013311101), we get a palindrome (42124642124).

The spelling of 10111331023 in words is "ten billion, one hundred eleven million, three hundred thirty-one thousand, twenty-three".

Divisors: 1 19 29 71 131 551 1349 1973 2059 2489 3799 9301 37487 39121 57217 72181 140083 176719 258463 269729 1087123 2661577 4062407 4910797 5124851 7495427 18350873 77185733 142413113 348666587 532175317 10111331023