Base | Representation |
---|---|
bin | 11100101111011100… |
… | …111101111100000001 |
3 | 2221122202012211212100 |
4 | 130233130331330001 |
5 | 1001200342101303 |
6 | 22102144021013 |
7 | 2141522161521 |
oct | 345734757401 |
9 | 87582184770 |
10 | 30860893953 |
11 | 120a719643a |
12 | 5b93301769 |
13 | 2baa848ac6 |
14 | 16ca905681 |
15 | c094cd8a3 |
hex | 72f73df01 |
30860893953 has 12 divisors (see below), whose sum is σ = 46113979860. Its totient is φ = 19864483296.
The previous prime is 30860893927. The next prime is 30860893993. The reversal of 30860893953 is 35939806803.
It can be written as a sum of positive squares in 2 ways, for example, as 17017724304 + 13843169649 = 130452^2 + 117657^2 .
It is not a de Polignac number, because 30860893953 - 216 = 30860828417 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30860893953.
It is not an unprimeable number, because it can be changed into a prime (30860893993) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59120226 + ... + 59120747.
It is an arithmetic number, because the mean of its divisors is an integer number (3842831655).
Almost surely, 230860893953 is an apocalyptic number.
It is an amenable number.
30860893953 is a deficient number, since it is larger than the sum of its proper divisors (15253085907).
30860893953 is a wasteful number, since it uses less digits than its factorization.
30860893953 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 118241008 (or 118241005 counting only the distinct ones).
The product of its (nonzero) digits is 4199040, while the sum is 54.
The spelling of 30860893953 in words is "thirty billion, eight hundred sixty million, eight hundred ninety-three thousand, nine hundred fifty-three".
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