Base | Representation |
---|---|
bin | 10010010001101111… |
… | …110001111001110000 |
3 | 1212122201001220100002 |
4 | 102101233301321300 |
5 | 310143010400142 |
6 | 13003213445132 |
7 | 1263220342535 |
oct | 222157617160 |
9 | 55581056302 |
10 | 19625090672 |
11 | 8360941100 |
12 | 39784a07a8 |
13 | 1b09b0c8b5 |
14 | d425b2d8c |
15 | 79cdb1a32 |
hex | 491bf1e70 |
19625090672 has 60 divisors (see below), whose sum is σ = 42924289128. Its totient is φ = 8679369600.
The previous prime is 19625090647. The next prime is 19625090677. The reversal of 19625090672 is 27609052691.
It is a super-3 number, since 3×196250906723 (a number of 32 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19625090677) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65354 + ... + 208617.
Almost surely, 219625090672 is an apocalyptic number.
It is an amenable number.
19625090672 is an abundant number, since it is smaller than the sum of its proper divisors (23299198456).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19625090672 is a wasteful number, since it uses less digits than its factorization.
19625090672 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 274038 (or 274021 counting only the distinct ones).
The product of its (nonzero) digits is 408240, while the sum is 47.
The spelling of 19625090672 in words is "nineteen billion, six hundred twenty-five million, ninety thousand, six hundred seventy-two".
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