Base | Representation |
---|---|
bin | 111100100010111001… |
… | …1000011110111111111 |
3 | 110102121022121222100201 |
4 | 1321011303003313333 |
5 | 4112240112010444 |
6 | 135421432304331 |
7 | 12252006015454 |
oct | 1710563036777 |
9 | 412538558321 |
10 | 130020031999 |
11 | 50160a11500 |
12 | 212475420a7 |
13 | c3510996a0 |
14 | 641600182b |
15 | 35ae9bddd4 |
hex | 1e45cc3dff |
130020031999 has 24 divisors (see below), whose sum is σ = 153993671216. Its totient is φ = 109046995200.
The previous prime is 130020031951. The next prime is 130020032059. The reversal of 130020031999 is 999130020031.
It is not a de Polignac number, because 130020031999 - 219 = 130019507711 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130020034999) 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, 2924164 + ... + 2968294.
Almost surely, 2130020031999 is an apocalyptic number.
130020031999 is a deficient number, since it is larger than the sum of its proper divisors (23973639217).
130020031999 is a wasteful number, since it uses less digits than its factorization.
130020031999 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46039 (or 46028 counting only the distinct ones).
The product of its (nonzero) digits is 13122, while the sum is 37.
The spelling of 130020031999 in words is "one hundred thirty billion, twenty million, thirty-one thousand, nine hundred ninety-nine".
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