Base | Representation |
---|---|
bin | 1001000111111001001010… |
… | …1110100011000110111011 |
3 | 1022111222022021221101022102 |
4 | 2101332102232203012323 |
5 | 2303322404314441443 |
6 | 33200135134214015 |
7 | 2053505512541030 |
oct | 221762256430673 |
9 | 38458267841272 |
10 | 10031210312123 |
11 | 3218237787500 |
12 | 116014805430b |
13 | 579c291b5730 |
14 | 2697281cd387 |
15 | 125e04e42cb8 |
hex | 91f92ba31bb |
10031210312123 has 48 divisors (see below), whose sum is σ = 13575063952128. Its totient is φ = 7212836030400.
The previous prime is 10031210312041. The next prime is 10031210312219. The reversal of 10031210312123 is 32121301213001.
It is a happy number.
It is not a de Polignac number, because 10031210312123 - 28 = 10031210311867 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 10031210312095 and 10031210312104.
It is not an unprimeable number, because it can be changed into a prime (10031210312923) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33002840 + ... + 33305402.
It is an arithmetic number, because the mean of its divisors is an integer number (282813832336).
Almost surely, 210031210312123 is an apocalyptic number.
10031210312123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
10031210312123 is a deficient number, since it is larger than the sum of its proper divisors (3543853640005).
10031210312123 is a wasteful number, since it uses less digits than its factorization.
10031210312123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 305616 (or 305605 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 10031210312123 its reverse (32121301213001), we get a palindrome (42152511525124).
The spelling of 10031210312123 in words is "ten trillion, thirty-one billion, two hundred ten million, three hundred twelve thousand, one hundred twenty-three".
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