Base | Representation |
---|---|
bin | 11101001101010000… |
… | …10111001011101100 |
3 | 1111110210121221211022 |
4 | 32212220113023230 |
5 | 224103202003320 |
6 | 11111543313312 |
7 | 1063402024532 |
oct | 164650271354 |
9 | 44423557738 |
10 | 15680500460 |
11 | 6717263099 |
12 | 305744b838 |
13 | 162b81ba51 |
14 | a8a764152 |
15 | 61b934325 |
hex | 3a6a172ec |
15680500460 has 24 divisors (see below), whose sum is σ = 34866054720. Its totient is φ = 5903247104.
The previous prime is 15680500441. The next prime is 15680500489. The reversal of 15680500460 is 6400508651.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 15680500460.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23059220 + ... + 23059899.
It is an arithmetic number, because the mean of its divisors is an integer number (1452752280).
Almost surely, 215680500460 is an apocalyptic number.
15680500460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
15680500460 is an abundant number, since it is smaller than the sum of its proper divisors (19185554260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15680500460 is a wasteful number, since it uses less digits than its factorization.
15680500460 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46119145 (or 46119143 counting only the distinct ones).
The product of its (nonzero) digits is 28800, while the sum is 35.
The spelling of 15680500460 in words is "fifteen billion, six hundred eighty million, five hundred thousand, four hundred sixty".
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