Base | Representation |
---|---|
bin | 11100000110101111… |
… | …10001001100001100 |
3 | 1102221120111222101012 |
4 | 32003113301030030 |
5 | 221400232313410 |
6 | 10533132304352 |
7 | 1042626640661 |
oct | 160327611414 |
9 | 42846458335 |
10 | 15088947980 |
11 | 6443354a47 |
12 | 2b113120b8 |
13 | 15660c01b2 |
14 | a31d79a68 |
15 | 5d4a34605 |
hex | 3835f130c |
15088947980 has 12 divisors (see below), whose sum is σ = 31686790800. Its totient is φ = 6035579184.
The previous prime is 15088947977. The next prime is 15088947989. The reversal of 15088947980 is 8974988051.
It is a super-2 number, since 2×150889479802 (a number of 21 digits) contains 22 as substring.
It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (15088947989) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 377223680 + ... + 377223719.
It is an arithmetic number, because the mean of its divisors is an integer number (2640565900).
Almost surely, 215088947980 is an apocalyptic number.
15088947980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
15088947980 is an abundant number, since it is smaller than the sum of its proper divisors (16597842820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15088947980 is a wasteful number, since it uses less digits than its factorization.
15088947980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 754447408 (or 754447406 counting only the distinct ones).
The product of its (nonzero) digits is 5806080, while the sum is 59.
The spelling of 15088947980 in words is "fifteen billion, eighty-eight million, nine hundred forty-seven thousand, nine hundred eighty".
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