Base | Representation |
---|---|
bin | 11100000001100000… |
… | …01100100110010100 |
3 | 1102211111212012120220 |
4 | 32000300030212110 |
5 | 221303011120202 |
6 | 10524522554340 |
7 | 1041554363136 |
oct | 160060144624 |
9 | 42744765526 |
10 | 15045020052 |
11 | 6420581277 |
12 | 2aba6689b0 |
13 | 1559c7c83a |
14 | a2a1c3056 |
15 | 5d0c58abc |
hex | 380c0c994 |
15045020052 has 12 divisors (see below), whose sum is σ = 35105046816. Its totient is φ = 5015006680.
The previous prime is 15045020051. The next prime is 15045020057. The reversal of 15045020052 is 25002054051.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15045020051) 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, 626875824 + ... + 626875847.
It is an arithmetic number, because the mean of its divisors is an integer number (2925420568).
Almost surely, 215045020052 is an apocalyptic number.
15045020052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
15045020052 is an abundant number, since it is smaller than the sum of its proper divisors (20060026764).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15045020052 is a wasteful number, since it uses less digits than its factorization.
15045020052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1253751678 (or 1253751676 counting only the distinct ones).
The product of its (nonzero) digits is 2000, while the sum is 24.
The spelling of 15045020052 in words is "fifteen billion, forty-five million, twenty thousand, fifty-two".
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