Base | Representation |
---|---|
bin | 10111100111011111… |
… | …010000101010000100 |
3 | 2102110021121201201202 |
4 | 113213133100222010 |
5 | 403413243134233 |
6 | 15352150042032 |
7 | 1555260162221 |
oct | 274737205204 |
9 | 72407551652 |
10 | 25358568068 |
11 | a833283579 |
12 | 4ab8649318 |
13 | 25118cc582 |
14 | 1327c44948 |
15 | 9d63eebe8 |
hex | 5e77d0a84 |
25358568068 has 12 divisors (see below), whose sum is σ = 44675330700. Its totient is φ = 12594187872.
The previous prime is 25358568061. The next prime is 25358568073. The reversal of 25358568068 is 86086585352.
It can be written as a sum of positive squares in 2 ways, for example, as 16626039364 + 8732528704 = 128942^2 + 93448^2 .
It is not an unprimeable number, because it can be changed into a prime (25358568061) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21273371 + ... + 21274562.
It is an arithmetic number, because the mean of its divisors is an integer number (3722944225).
Almost surely, 225358568068 is an apocalyptic number.
It is an amenable number.
25358568068 is a deficient number, since it is larger than the sum of its proper divisors (19316762632).
25358568068 is a wasteful number, since it uses less digits than its factorization.
25358568068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42548086 (or 42548084 counting only the distinct ones).
The product of its (nonzero) digits is 13824000, while the sum is 56.
The spelling of 25358568068 in words is "twenty-five billion, three hundred fifty-eight million, five hundred sixty-eight thousand, sixty-eight".
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