Base | Representation |
---|---|
bin | 11011111111110001… |
… | …11011000000100000 |
3 | 1102210111121001002021 |
4 | 31333320323000200 |
5 | 221240303430310 |
6 | 10523244231224 |
7 | 1041320253256 |
oct | 157770730040 |
9 | 42714531067 |
10 | 15030530080 |
11 | 6413384795 |
12 | 2ab583b514 |
13 | 1556c783a7 |
14 | a282d05d6 |
15 | 5ce8455da |
hex | 37fe3b020 |
15030530080 has 24 divisors (see below), whose sum is σ = 35509627692. Its totient is φ = 6012211968.
The previous prime is 15030530077. The next prime is 15030530087. The reversal of 15030530080 is 8003503051.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 14779751184 + 250778896 = 121572^2 + 15836^2 .
It is not an unprimeable number, because it can be changed into a prime (15030530087) 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, 46970247 + ... + 46970566.
Almost surely, 215030530080 is an apocalyptic number.
15030530080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
15030530080 is an abundant number, since it is smaller than the sum of its proper divisors (20479097612).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15030530080 is an equidigital number, since it uses as much as digits as its factorization.
15030530080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 93940828 (or 93940820 counting only the distinct ones).
The product of its (nonzero) digits is 1800, while the sum is 25.
The spelling of 15030530080 in words is "fifteen billion, thirty million, five hundred thirty thousand, eighty".
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