Base | Representation |
---|---|
bin | 11000010100000010… |
… | …00101001110001010 |
3 | 1020200200102221121021 |
4 | 30022001011032022 |
5 | 203213024120303 |
6 | 5555122103054 |
7 | 641315210623 |
oct | 141201051612 |
9 | 36620387537 |
10 | 13052957578 |
11 | 5599066251 |
12 | 26434aaa8a |
13 | 130035434b |
14 | 8bb7d2a4a |
15 | 515e12ebd |
hex | 30a04538a |
13052957578 has 16 divisors (see below), whose sum is σ = 20740090824. Its totient is φ = 6139924480.
The previous prime is 13052957551. The next prime is 13052957591. The reversal of 13052957578 is 87575925031.
It can be written as a sum of positive squares in 4 ways, for example, as 12089662209 + 963295369 = 109953^2 + 31037^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1303 + ... + 161578.
Almost surely, 213052957578 is an apocalyptic number.
13052957578 is a deficient number, since it is larger than the sum of its proper divisors (7687133246).
13052957578 is a wasteful number, since it uses less digits than its factorization.
13052957578 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 165257.
The product of its (nonzero) digits is 2646000, while the sum is 52.
The spelling of 13052957578 in words is "thirteen billion, fifty-two million, nine hundred fifty-seven thousand, five hundred seventy-eight".
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