Base | Representation |
---|---|
bin | 11100101010000100… |
… | …111011100101110010 |
3 | 2221102110111212100111 |
4 | 130222010323211302 |
5 | 1001004300104202 |
6 | 22045203011534 |
7 | 2136345456313 |
oct | 345204734562 |
9 | 87373455314 |
10 | 30770706802 |
11 | 12060297500 |
12 | 5b69069baa |
13 | 2b94c5c924 |
14 | 16bc94a60a |
15 | c016166d7 |
hex | 72a13b972 |
30770706802 has 24 divisors (see below), whose sum is σ = 50996466108. Its totient is φ = 13914193920.
The previous prime is 30770706731. The next prime is 30770706803. The reversal of 30770706802 is 20860707703.
It can be written as a sum of positive squares in 2 ways, for example, as 23984407161 + 6786299641 = 154869^2 + 82379^2 .
It is not an unprimeable number, because it can be changed into a prime (30770706803) 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, 282703 + ... + 376114.
Almost surely, 230770706802 is an apocalyptic number.
30770706802 is a deficient number, since it is larger than the sum of its proper divisors (20225759306).
30770706802 is a wasteful number, since it uses less digits than its factorization.
30770706802 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 659034 (or 659023 counting only the distinct ones).
The product of its (nonzero) digits is 98784, while the sum is 40.
Subtracting from 30770706802 its reverse (20860707703), we obtain a palindrome (9909999099).
The spelling of 30770706802 in words is "thirty billion, seven hundred seventy million, seven hundred six thousand, eight hundred two".
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