Base | Representation |
---|---|
bin | 10111011110010101… |
… | …011010110110111110 |
3 | 2102001120122022222200 |
4 | 113132111122312332 |
5 | 403104434242340 |
6 | 15325022252330 |
7 | 1551413623656 |
oct | 273625326676 |
9 | 72046568880 |
10 | 25204993470 |
11 | a76461a718 |
12 | 4a751270a6 |
13 | 24b8b4b627 |
14 | 13116a9366 |
15 | 9c7bb6330 |
hex | 5de55adbe |
25204993470 has 48 divisors (see below), whose sum is σ = 65972836800. Its totient is φ = 6676218432.
The previous prime is 25204993469. The next prime is 25204993481. The reversal of 25204993470 is 7439940252.
25204993470 is a `hidden beast` number, since 2 + 52 + 0 + 49 + 93 + 470 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 926374 + ... + 953193.
It is an arithmetic number, because the mean of its divisors is an integer number (1374434100).
Almost surely, 225204993470 is an apocalyptic number.
25204993470 is an abundant number, since it is smaller than the sum of its proper divisors (40767843330).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25204993470 is a wasteful number, since it uses less digits than its factorization.
25204993470 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1879729 (or 1879726 counting only the distinct ones).
The product of its (nonzero) digits is 544320, while the sum is 45.
The spelling of 25204993470 in words is "twenty-five billion, two hundred four million, nine hundred ninety-three thousand, four hundred seventy".
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