Base | Representation |
---|---|
bin | 11100000000111100… |
… | …10110100110110100 |
3 | 1102211012001120010110 |
4 | 32000132112212310 |
5 | 221300311424302 |
6 | 10524234423020 |
7 | 1041466541622 |
oct | 160036264664 |
9 | 42735046113 |
10 | 15040342452 |
11 | 6418976993 |
12 | 2ab8b91a70 |
13 | 1559002725 |
14 | a29726512 |
15 | 5d0632b6c |
hex | 3807969b4 |
15040342452 has 48 divisors (see below), whose sum is σ = 35300688192. Its totient is φ = 4983982080.
The previous prime is 15040342423. The next prime is 15040342453. The reversal of 15040342452 is 25424304051.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15040342453) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4993627 + ... + 4996637.
It is an arithmetic number, because the mean of its divisors is an integer number (735431004).
Almost surely, 215040342452 is an apocalyptic number.
15040342452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
15040342452 is an abundant number, since it is smaller than the sum of its proper divisors (20260345740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15040342452 is a wasteful number, since it uses less digits than its factorization.
15040342452 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5328 (or 5326 counting only the distinct ones).
The product of its (nonzero) digits is 19200, while the sum is 30.
The spelling of 15040342452 in words is "fifteen billion, forty million, three hundred forty-two thousand, four hundred fifty-two".
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