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10031110021 = 1910112914049
BaseRepresentation
bin10010101011110011…
…01001011110000101
3221220002022012001101
421111321221132011
5131020431010041
64335213300101
7503403012502
oct112571513605
927802265041
1010031110021
114288333479
121b3b494631
13c3b29077a
146b23404a9
153da9a5b31
hex255e69785

10031110021 has 16 divisors (see below), whose sum is σ = 10674504000. Its totient is φ = 9399456000.

The previous prime is 10031109973. The next prime is 10031110039. The reversal of 10031110021 is 12001113001.

It is a cyclic number.

It is not a de Polignac number, because 10031110021 - 217 = 10030978949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10031110081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2475405 + ... + 2479453.

It is an arithmetic number, because the mean of its divisors is an integer number (667156500).

Almost surely, 210031110021 is an apocalyptic number.

It is an amenable number.

10031110021 is a deficient number, since it is larger than the sum of its proper divisors (643393979).

10031110021 is a wasteful number, since it uses less digits than its factorization.

10031110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5460.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 10031110021 its reverse (12001113001), we get a palindrome (22032223022).

The spelling of 10031110021 in words is "ten billion, thirty-one million, one hundred ten thousand, twenty-one".

Divisors: 1 19 101 1291 1919 4049 24529 76931 130391 408949 2477429 5227259 7770031 99317921 527953159 10031110021