Base | Representation |
---|---|
bin | 111100100010010011… |
… | …1011010110100010111 |
3 | 110102112221022120010111 |
4 | 1321010213122310113 |
5 | 4112220022444111 |
6 | 135415443303451 |
7 | 12251345331166 |
oct | 1710447326427 |
9 | 412487276114 |
10 | 130000203031 |
11 | 501507a8726 |
12 | 2124097ab87 |
13 | c349c4607a |
14 | 641351d3dd |
15 | 35acda3a21 |
hex | 1e449dad17 |
130000203031 has 8 divisors (see below), whose sum is σ = 137159827200. Its totient is φ = 122872329720.
The previous prime is 130000202987. The next prime is 130000203041. The reversal of 130000203031 is 130302000031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 130000203031 - 225 = 129966648599 is a prime.
It is a super-2 number, since 2×1300002030312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130000203041) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7929301 + ... + 7945678.
It is an arithmetic number, because the mean of its divisors is an integer number (17144978400).
Almost surely, 2130000203031 is an apocalyptic number.
130000203031 is a deficient number, since it is larger than the sum of its proper divisors (7159624169).
130000203031 is a wasteful number, since it uses less digits than its factorization.
130000203031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15875429.
The product of its (nonzero) digits is 54, while the sum is 13.
Adding to 130000203031 its reverse (130302000031), we get a palindrome (260302203062).
The spelling of 130000203031 in words is "one hundred thirty billion, two hundred three thousand, thirty-one".
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