Base | Representation |
---|---|
bin | 10010010101000001… |
… | …100101110110000101 |
3 | 1212210112120020022201 |
4 | 102111001211312011 |
5 | 310301100412100 |
6 | 13012500354501 |
7 | 1264456006063 |
oct | 222501456605 |
9 | 55715506281 |
10 | 19680091525 |
11 | 8389998056 |
12 | 39929a5a31 |
13 | 1b18329293 |
14 | d49a0d033 |
15 | 7a2b2836a |
hex | 495065d85 |
19680091525 has 12 divisors (see below), whose sum is σ = 24416698144. Its totient is φ = 15735438000.
The previous prime is 19680091517. The next prime is 19680091549. The reversal of 19680091525 is 52519008691.
It is not a de Polignac number, because 19680091525 - 23 = 19680091517 is a prime.
It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169191 + ... + 260740.
Almost surely, 219680091525 is an apocalyptic number.
It is an amenable number.
19680091525 is a deficient number, since it is larger than the sum of its proper divisors (4736606619).
19680091525 is a wasteful number, since it uses less digits than its factorization.
19680091525 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 431772 (or 431767 counting only the distinct ones).
The product of its (nonzero) digits is 194400, while the sum is 46.
The spelling of 19680091525 in words is "nineteen billion, six hundred eighty million, ninety-one thousand, five hundred twenty-five".
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