Base | Representation |
---|---|
bin | 11100001111110011… |
… | …01110100110010000 |
3 | 1110010212112202001121 |
4 | 32013321232212100 |
5 | 222024212142440 |
6 | 10544445412024 |
7 | 1044542011543 |
oct | 160771564620 |
9 | 43125482047 |
10 | 15164959120 |
11 | 6482251273 |
12 | 2b3286a014 |
13 | 1578a84abc |
14 | a3c0c485a |
15 | 5db54b34a |
hex | 387e6e990 |
15164959120 has 80 divisors (see below), whose sum is σ = 36298533888. Its totient is φ = 5887848960.
The previous prime is 15164959093. The next prime is 15164959169. The reversal of 15164959120 is 2195946151.
It is a tau number, because it is divible by the number of its divisors (80).
It is a super-2 number, since 2×151649591202 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1269817 + ... + 1281703.
Almost surely, 215164959120 is an apocalyptic number.
15164959120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 15164959120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18149266944).
15164959120 is an abundant number, since it is smaller than the sum of its proper divisors (21133574768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15164959120 is a wasteful number, since it uses less digits than its factorization.
15164959120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12368 (or 12362 counting only the distinct ones).
The product of its (nonzero) digits is 97200, while the sum is 43.
The spelling of 15164959120 in words is "fifteen billion, one hundred sixty-four million, nine hundred fifty-nine thousand, one hundred twenty".
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