Base | Representation |
---|---|
bin | 10010110100010010… |
… | …10001000010100001 |
3 | 222002001021200100020 |
4 | 21122021101002201 |
5 | 131142143004441 |
6 | 4350235344053 |
7 | 505226146635 |
oct | 113211210241 |
9 | 28061250306 |
10 | 10102313121 |
11 | 431454640a |
12 | 1b5b2b2029 |
13 | c4cc60a94 |
14 | 6bb996dc5 |
15 | 3e1d6ce66 |
hex | 25a2510a1 |
10102313121 has 32 divisors (see below), whose sum is σ = 14624064000. Its totient is φ = 6178129920.
The previous prime is 10102313033. The next prime is 10102313141. The reversal of 10102313121 is 12131320101.
It is a happy number.
It is not a de Polignac number, because 10102313121 - 211 = 10102311073 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 10102313121.
It is not an unprimeable number, because it can be changed into a prime (10102313141) 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, 3237400 + ... + 3240518.
It is an arithmetic number, because the mean of its divisors is an integer number (457002000).
Almost surely, 210102313121 is an apocalyptic number.
It is an amenable number.
10102313121 is a deficient number, since it is larger than the sum of its proper divisors (4521750879).
10102313121 is a wasteful number, since it uses less digits than its factorization.
10102313121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4729.
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 10102313121 its reverse (12131320101), we get a palindrome (22233633222).
The spelling of 10102313121 in words is "ten billion, one hundred two million, three hundred thirteen thousand, one hundred twenty-one".
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