Base | Representation |
---|---|
bin | 11101010001011011… |
… | …11000000000010111 |
3 | 1111120020111010020121 |
4 | 32220231320000113 |
5 | 224141132000210 |
6 | 11115233412411 |
7 | 1064305355263 |
oct | 165055700027 |
9 | 44506433217 |
10 | 15715500055 |
11 | 6734a98882 |
12 | 306710a107 |
13 | 1635b54578 |
14 | a912750a3 |
15 | 61ea496da |
hex | 3a8b78017 |
15715500055 has 16 divisors (see below), whose sum is σ = 19611072000. Its totient is φ = 12075293440.
The previous prime is 15715499993. The next prime is 15715500061. The reversal of 15715500055 is 55000551751.
It is a happy number.
It is not a de Polignac number, because 15715500055 - 27 = 15715499927 is a prime.
It is a congruent number.
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, 256030 + ... + 311419.
It is an arithmetic number, because the mean of its divisors is an integer number (1225692000).
Almost surely, 215715500055 is an apocalyptic number.
15715500055 is a deficient number, since it is larger than the sum of its proper divisors (3895571945).
15715500055 is a wasteful number, since it uses less digits than its factorization.
15715500055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 567674.
The product of its (nonzero) digits is 21875, while the sum is 34.
The spelling of 15715500055 in words is "fifteen billion, seven hundred fifteen million, five hundred thousand, fifty-five".
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