Base | Representation |
---|---|
bin | 11100000101000100… |
… | …10101011011101000 |
3 | 1102220121011022221010 |
4 | 32002202111123220 |
5 | 221333141100043 |
6 | 10531512143520 |
7 | 1042366611165 |
oct | 160242253350 |
9 | 42817138833 |
10 | 15074940648 |
11 | 6436458039 |
12 | 2b08697ba0 |
13 | 1563227631 |
14 | a3017106c |
15 | 5d36b9133 |
hex | 3828956e8 |
15074940648 has 32 divisors (see below), whose sum is σ = 38903074560. Its totient is φ = 4862883840.
The previous prime is 15074940593. The next prime is 15074940649. The reversal of 15074940648 is 84604947051.
It is a super-3 number, since 3×150749406483 (a number of 32 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 15074940597 and 15074940606.
It is not an unprimeable number, because it can be changed into a prime (15074940649) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10130265 + ... + 10131752.
It is an arithmetic number, because the mean of its divisors is an integer number (1215721080).
Almost surely, 215074940648 is an apocalyptic number.
It is an amenable number.
15074940648 is an abundant number, since it is smaller than the sum of its proper divisors (23828133912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15074940648 is a wasteful number, since it uses less digits than its factorization.
15074940648 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20262057 (or 20262053 counting only the distinct ones).
The product of its (nonzero) digits is 967680, while the sum is 48.
The spelling of 15074940648 in words is "fifteen billion, seventy-four million, nine hundred forty thousand, six hundred forty-eight".
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