Base | Representation |
---|---|
bin | 11100001110101110… |
… | …001110101101000100 |
3 | 2220020110221111201021 |
4 | 130032232032231010 |
5 | 444034303132243 |
6 | 21531450240524 |
7 | 2122103542024 |
oct | 341656165504 |
9 | 86213844637 |
10 | 30311770948 |
11 | 11945228178 |
12 | 5a5b426144 |
13 | 2b20b54854 |
14 | 1677a03a84 |
15 | bc61b06ed |
hex | 70eb8eb44 |
30311770948 has 36 divisors (see below), whose sum is σ = 53847457860. Its totient is φ = 14929892352.
The previous prime is 30311770939. The next prime is 30311770981. The reversal of 30311770948 is 84907711303.
It can be written as a sum of positive squares in 6 ways, for example, as 6978597444 + 23333173504 = 83538^2 + 152752^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8616886 + ... + 8620402.
Almost surely, 230311770948 is an apocalyptic number.
It is an amenable number.
30311770948 is a deficient number, since it is larger than the sum of its proper divisors (23535686912).
30311770948 is a wasteful number, since it uses less digits than its factorization.
30311770948 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3944 (or 3845 counting only the distinct ones).
The product of its (nonzero) digits is 127008, while the sum is 43.
The spelling of 30311770948 in words is "thirty billion, three hundred eleven million, seven hundred seventy thousand, nine hundred forty-eight".
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