Base | Representation |
---|---|
bin | 10010101011110011… |
… | …10001110010111011 |
3 | 221220002100220211102 |
4 | 21111321301302323 |
5 | 131020433102443 |
6 | 4335214122015 |
7 | 503403214100 |
oct | 112571616273 |
9 | 27802326742 |
10 | 10031144123 |
11 | 4288357060 |
12 | 1b3b4b030b |
13 | c3b2a3150 |
14 | 6b234caa7 |
15 | 3da9b0cb8 |
hex | 255e71cbb |
10031144123 has 96 divisors (see below), whose sum is σ = 14534069760. Its totient is φ = 6791178240.
The previous prime is 10031144113. The next prime is 10031144141. The reversal of 10031144123 is 32144113001.
It is not a de Polignac number, because 10031144123 - 28 = 10031143867 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 10031144095 and 10031144104.
It is not an unprimeable number, because it can be changed into a prime (10031144113) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10797323 + ... + 10798251.
It is an arithmetic number, because the mean of its divisors is an integer number (151396560).
Almost surely, 210031144123 is an apocalyptic number.
10031144123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
10031144123 is a deficient number, since it is larger than the sum of its proper divisors (4502925637).
10031144123 is a wasteful number, since it uses less digits than its factorization.
10031144123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1057 (or 1050 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 10031144123 its reverse (32144113001), we get a palindrome (42175257124).
The spelling of 10031144123 in words is "ten billion, thirty-one million, one hundred forty-four thousand, one hundred twenty-three".
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