Base | Representation |
---|---|
bin | 10111010101010110… |
… | …000011010100001010 |
3 | 2101200001211102011200 |
4 | 113111112003110022 |
5 | 402302331223414 |
6 | 15302033405030 |
7 | 1544602611411 |
oct | 272526032412 |
9 | 71601742150 |
10 | 25054164234 |
11 | a697471460 |
12 | 4a32709776 |
13 | 249381c168 |
14 | 12d9646478 |
15 | 9b9821109 |
hex | 5d558350a |
25054164234 has 48 divisors (see below), whose sum is σ = 59256269280. Its totient is φ = 7587384480.
The previous prime is 25054164211. The next prime is 25054164251. The reversal of 25054164234 is 43246145052.
25054164234 is a `hidden beast` number, since 2 + 5 + 0 + 5 + 4 + 1 + 642 + 3 + 4 = 666.
It is a super-2 number, since 2×250541642342 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 281484 + ... + 359640.
It is an arithmetic number, because the mean of its divisors is an integer number (1234505610).
Almost surely, 225054164234 is an apocalyptic number.
25054164234 is an abundant number, since it is smaller than the sum of its proper divisors (34202105046).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25054164234 is a wasteful number, since it uses less digits than its factorization.
25054164234 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 79795 (or 79792 counting only the distinct ones).
The product of its (nonzero) digits is 115200, while the sum is 36.
The spelling of 25054164234 in words is "twenty-five billion, fifty-four million, one hundred sixty-four thousand, two hundred thirty-four".
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