Base | Representation |
---|---|
bin | 1101110010010001001111… |
… | …0010000100110100111100 |
3 | 1222200000120022101102201200 |
4 | 3130210103302010310330 |
5 | 3441314042444403120 |
6 | 52123053203135500 |
7 | 3123035213551620 |
oct | 334442362046474 |
9 | 58600508342650 |
10 | 15157271481660 |
11 | 4914187669500 |
12 | 18496b7674590 |
13 | 85c42b0c91b9 |
14 | 3a5889c91180 |
15 | 1b441e7d6e90 |
hex | dc913c84d3c |
15157271481660 has 864 divisors, whose sum is σ = 59213195897856. Its totient is φ = 3070400256000.
The previous prime is 15157271481619. The next prime is 15157271481731. The reversal of 15157271481660 is 6618417275151.
15157271481660 is a `hidden beast` number, since 1 + 5 + 1 + 572 + 7 + 1 + 4 + 8 + 1 + 6 + 60 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 15157271481597 and 15157271481606.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 3940021857 + ... + 3940025703.
Almost surely, 215157271481660 is an apocalyptic number.
15157271481660 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 15157271481660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29606597948928).
15157271481660 is an abundant number, since it is smaller than the sum of its proper divisors (44055924416196).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15157271481660 is a wasteful number, since it uses less digits than its factorization.
15157271481660 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4535 (or 4519 counting only the distinct ones).
The product of its (nonzero) digits is 2822400, while the sum is 54.
The spelling of 15157271481660 in words is "fifteen trillion, one hundred fifty-seven billion, two hundred seventy-one million, four hundred eighty-one thousand, six hundred sixty".
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