Base | Representation |
---|---|
bin | 11100101100100011… |
… | …101110111101100010 |
3 | 2221112100211211211112 |
4 | 130230203232331202 |
5 | 1001100424222340 |
6 | 22053251143322 |
7 | 2140362351203 |
oct | 345443567542 |
9 | 87470754745 |
10 | 30812335970 |
11 | 12081840079 |
12 | 5b7aba4b42 |
13 | 2ba0776b80 |
14 | 16c42a55aa |
15 | c050db065 |
hex | 72c8eef62 |
30812335970 has 16 divisors (see below), whose sum is σ = 59728528440. Its totient is φ = 11376862464.
The previous prime is 30812335927. The next prime is 30812336003. The reversal of 30812335970 is 7953321803.
It can be written as a sum of positive squares in 4 ways, for example, as 19217999641 + 11594336329 = 138629^2 + 107677^2 .
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, 118508855 + ... + 118509114.
Almost surely, 230812335970 is an apocalyptic number.
30812335970 is a deficient number, since it is larger than the sum of its proper divisors (28916192470).
30812335970 is a wasteful number, since it uses less digits than its factorization.
30812335970 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 237017989.
The product of its (nonzero) digits is 136080, while the sum is 41.
The spelling of 30812335970 in words is "thirty billion, eight hundred twelve million, three hundred thirty-five thousand, nine hundred seventy".
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