Base | Representation |
---|---|
bin | 10001101111111000… |
… | …001001011101011000 |
3 | 1211012002211201222102 |
4 | 101233320021131120 |
5 | 303012023441333 |
6 | 12430554342532 |
7 | 1243150425410 |
oct | 215770113530 |
9 | 54162751872 |
10 | 19056858968 |
11 | 809a111224 |
12 | 383a12aa48 |
13 | 1a49187b14 |
14 | ccad39640 |
15 | 76806bae8 |
hex | 46fe09758 |
19056858968 has 32 divisors (see below), whose sum is σ = 43238253600. Its totient is φ = 7686799872.
The previous prime is 19056858967. The next prime is 19056858971. The reversal of 19056858968 is 86985865091.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19056858967) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10007903 + ... + 10009806.
It is an arithmetic number, because the mean of its divisors is an integer number (1351195425).
Almost surely, 219056858968 is an apocalyptic number.
It is an amenable number.
19056858968 is an abundant number, since it is smaller than the sum of its proper divisors (24181394632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19056858968 is a wasteful number, since it uses less digits than its factorization.
19056858968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20017739 (or 20017735 counting only the distinct ones).
The product of its (nonzero) digits is 37324800, while the sum is 65.
The spelling of 19056858968 in words is "nineteen billion, fifty-six million, eight hundred fifty-eight thousand, nine hundred sixty-eight".
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