Base | Representation |
---|---|
bin | 11100000101000000… |
… | …00011000000010000 |
3 | 1102220120000212012111 |
4 | 32002200003000100 |
5 | 221333012402010 |
6 | 10531451235104 |
7 | 1042361532454 |
oct | 160240030020 |
9 | 42816025174 |
10 | 15074340880 |
11 | 6436088465 |
12 | 2b08448a94 |
13 | 1563077641 |
14 | a30056664 |
15 | 5d35eb58a |
hex | 382803010 |
15074340880 has 20 divisors (see below), whose sum is σ = 35047842732. Its totient is φ = 6029736320.
The previous prime is 15074340871. The next prime is 15074340893. The reversal of 15074340880 is 8804347051.
It can be written as a sum of positive squares in 2 ways, for example, as 9050097424 + 6024243456 = 95132^2 + 77616^2 .
It is a tau number, because it is divible by the number of its divisors (20).
It is a Harshad number since it is a multiple of its sum of digits (40).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94214551 + ... + 94214710.
Almost surely, 215074340880 is an apocalyptic number.
15074340880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
15074340880 is an abundant number, since it is smaller than the sum of its proper divisors (19973501852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15074340880 is a wasteful number, since it uses less digits than its factorization.
15074340880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 188429274 (or 188429268 counting only the distinct ones).
The product of its (nonzero) digits is 107520, while the sum is 40.
The spelling of 15074340880 in words is "fifteen billion, seventy-four million, three hundred forty thousand, eight hundred eighty".
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