Base | Representation |
---|---|
bin | 101111101010100111… |
… | …000111000000000000 |
3 | 11220002212122001100000 |
4 | 233222213013000000 |
5 | 1314304233323323 |
6 | 35302341200000 |
7 | 3461210201622 |
oct | 575247070000 |
9 | 156085561300 |
10 | 51180761088 |
11 | 1a784229366 |
12 | 9b04400000 |
13 | 4a98589322 |
14 | 2697492c12 |
15 | 14e837ee43 |
hex | bea9c7000 |
51180761088 has 156 divisors (see below), whose sum is σ = 153315927128. Its totient is φ = 17059921920.
The previous prime is 51180761077. The next prime is 51180761089. The reversal of 51180761088 is 88016708115.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51180761089) 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, 969618 + ... + 1021038.
Almost surely, 251180761088 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 51180761088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76657963564).
51180761088 is an abundant number, since it is smaller than the sum of its proper divisors (102135166040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51180761088 is an frugal number, since it uses more digits than its factorization.
51180761088 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51460 (or 51426 counting only the distinct ones).
The product of its (nonzero) digits is 107520, while the sum is 45.
The spelling of 51180761088 in words is "fifty-one billion, one hundred eighty million, seven hundred sixty-one thousand, eighty-eight".
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