Base | Representation |
---|---|
bin | 1110100111010010100… |
… | …10000001001010100001 |
3 | 1210000002022012222210010 |
4 | 13103221102001022201 |
5 | 31211330241133100 |
6 | 1022401512555133 |
7 | 51164151520233 |
oct | 7235122011241 |
9 | 1700068188703 |
10 | 502130021025 |
11 | 183a52340856 |
12 | 813963b2aa9 |
13 | 3847351a349 |
14 | 1a436086253 |
15 | d0dcb2a750 |
hex | 74e94812a1 |
502130021025 has 24 divisors (see below), whose sum is σ = 830208693600. Its totient is φ = 267796099840.
The previous prime is 502130021021. The next prime is 502130021027. The reversal of 502130021025 is 520120031205.
It is not a de Polignac number, because 502130021025 - 22 = 502130021021 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 502130020992 and 502130021010.
It is not an unprimeable number, because it can be changed into a prime (502130021021) 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, 5512249 + ... + 5602601.
It is an arithmetic number, because the mean of its divisors is an integer number (34592028900).
Almost surely, 2502130021025 is an apocalyptic number.
It is an amenable number.
502130021025 is a deficient number, since it is larger than the sum of its proper divisors (328078672575).
502130021025 is a wasteful number, since it uses less digits than its factorization.
502130021025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 164465 (or 164460 counting only the distinct ones).
The product of its (nonzero) digits is 600, while the sum is 21.
The spelling of 502130021025 in words is "five hundred two billion, one hundred thirty million, twenty-one thousand, twenty-five".
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