Base | Representation |
---|---|
bin | 11100100110000110… |
… | …010101001000010010 |
3 | 2221020210221000101102 |
4 | 130212012111020102 |
5 | 1000340203332230 |
6 | 22034420304402 |
7 | 2134605252020 |
oct | 344606251022 |
9 | 87223830342 |
10 | 30703964690 |
11 | 12026651133 |
12 | 5b4a842102 |
13 | 2b84191c59 |
14 | 16b3b35710 |
15 | bea831045 |
hex | 726195212 |
30703964690 has 32 divisors (see below), whose sum is σ = 66877881984. Its totient is φ = 9907833600.
The previous prime is 30703964689. The next prime is 30703964729. The reversal of 30703964690 is 9646930703.
It is a super-2 number, since 2×307039646902 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12899636 + ... + 12902015.
It is an arithmetic number, because the mean of its divisors is an integer number (2089933812).
Almost surely, 230703964690 is an apocalyptic number.
30703964690 is an abundant number, since it is smaller than the sum of its proper divisors (36173917294).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30703964690 is a wasteful number, since it uses less digits than its factorization.
30703964690 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25801682.
The product of its (nonzero) digits is 734832, while the sum is 47.
The spelling of 30703964690 in words is "thirty billion, seven hundred three million, nine hundred sixty-four thousand, six hundred ninety".
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