Base | Representation |
---|---|
bin | 10010111111111011… |
… | …11101000100010111 |
3 | 222022212010020200100 |
4 | 21133331331010113 |
5 | 131342200323111 |
6 | 4404045345143 |
7 | 510523443330 |
oct | 113775750427 |
9 | 28285106610 |
10 | 10200011031 |
11 | 4364705291 |
12 | 1b87b681b3 |
13 | c672797b2 |
14 | 6ca949287 |
15 | 3ea71a756 |
hex | 25ff7d117 |
10200011031 has 24 divisors (see below), whose sum is σ = 16880568224. Its totient is φ = 5813881920.
The previous prime is 10200011027. The next prime is 10200011039. The reversal of 10200011031 is 13011000201.
It is not a de Polignac number, because 10200011031 - 22 = 10200011027 is a prime.
It is a super-2 number, since 2×102000110312 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10200011039) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 178900 + ... + 228921.
Almost surely, 210200011031 is an apocalyptic number.
10200011031 is a deficient number, since it is larger than the sum of its proper divisors (6680557193).
10200011031 is a wasteful number, since it uses less digits than its factorization.
10200011031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 408231 (or 408228 counting only the distinct ones).
The product of its (nonzero) digits is 6, while the sum is 9.
Adding to 10200011031 its reverse (13011000201), we get a palindrome (23211011232).
The spelling of 10200011031 in words is "ten billion, two hundred million, eleven thousand, thirty-one".
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