Base | Representation |
---|---|
bin | 10010010000111100… |
… | …101000100010110000 |
3 | 1212121202211201110100 |
4 | 102100330220202300 |
5 | 310131042323432 |
6 | 13002014232400 |
7 | 1262665361226 |
oct | 222074504260 |
9 | 55552751410 |
10 | 19611682992 |
11 | 8354313780 |
12 | 3973ab5700 |
13 | 1b070c6c65 |
14 | d408c2b16 |
15 | 79bb1407c |
hex | 490f288b0 |
19611682992 has 60 divisors (see below), whose sum is σ = 59875067304. Its totient is φ = 5942933760.
The previous prime is 19611682957. The next prime is 19611683051. The reversal of 19611682992 is 29928611691.
19611682992 is a `hidden beast` number, since 19 + 611 + 6 + 8 + 2 + 9 + 9 + 2 = 666.
It is a nude number because it is divisible by every one of its digits.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6188973 + ... + 6192140.
Almost surely, 219611682992 is an apocalyptic number.
19611682992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
19611682992 is an abundant number, since it is smaller than the sum of its proper divisors (40263384312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19611682992 is a wasteful number, since it uses less digits than its factorization.
19611682992 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12381138 (or 12381129 counting only the distinct ones).
The product of its digits is 839808, while the sum is 54.
The spelling of 19611682992 in words is "nineteen billion, six hundred eleven million, six hundred eighty-two thousand, nine hundred ninety-two".
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