Base | Representation |
---|---|
bin | 10010101011110011… |
… | …01001011110000101 |
3 | 221220002022012001101 |
4 | 21111321221132011 |
5 | 131020431010041 |
6 | 4335213300101 |
7 | 503403012502 |
oct | 112571513605 |
9 | 27802265041 |
10 | 10031110021 |
11 | 4288333479 |
12 | 1b3b494631 |
13 | c3b29077a |
14 | 6b23404a9 |
15 | 3da9a5b31 |
hex | 255e69785 |
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".
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