Base | Representation |
---|---|
bin | 11100001010100000… |
… | …01000110101110010 |
3 | 1110000202220002112102 |
4 | 32011100020311302 |
5 | 221431322032010 |
6 | 10540220500402 |
7 | 1043462101406 |
oct | 160520106562 |
9 | 43022802472 |
10 | 15120502130 |
11 | 645a147058 |
12 | 2b1b9aa702 |
13 | 156c7ba6a6 |
14 | a36231106 |
15 | 5d76b8ba5 |
hex | 385408d72 |
15120502130 has 8 divisors (see below), whose sum is σ = 27216903852. Its totient is φ = 6048200848.
The previous prime is 15120502091. The next prime is 15120502139. The reversal of 15120502130 is 3120502151.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 14330723521 + 789778609 = 119711^2 + 28103^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (15120502139) 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, 756025097 + ... + 756025116.
Almost surely, 215120502130 is an apocalyptic number.
15120502130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
15120502130 is a deficient number, since it is larger than the sum of its proper divisors (12096401722).
15120502130 is a wasteful number, since it uses less digits than its factorization.
15120502130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1512050220.
The product of its (nonzero) digits is 300, while the sum is 20.
The spelling of 15120502130 in words is "fifteen billion, one hundred twenty million, five hundred two thousand, one hundred thirty".
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