Base | Representation |
---|---|
bin | 11011111111100100… |
… | …110001001110110010 |
3 | 2212120202201221120012 |
4 | 123333210301032302 |
5 | 443024223221230 |
6 | 21450331214522 |
7 | 2112566443121 |
oct | 337744611662 |
9 | 85522657505 |
10 | 30057632690 |
11 | 11824828358 |
12 | 59aa2a7442 |
13 | 2ab02c3697 |
14 | 1651d6bab8 |
15 | badc10395 |
hex | 6ff9313b2 |
30057632690 has 32 divisors (see below), whose sum is σ = 54848735280. Its totient is φ = 11858176000.
The previous prime is 30057632681. The next prime is 30057632707. The reversal of 30057632690 is 9623675003.
It can be written as a sum of positive squares in 8 ways, for example, as 26998104721 + 3059527969 = 164311^2 + 55313^2 .
It is a super-2 number, since 2×300576326902 (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, 314780 + ... + 399000.
Almost surely, 230057632690 is an apocalyptic number.
30057632690 is a deficient number, since it is larger than the sum of its proper divisors (24791102590).
30057632690 is a wasteful number, since it uses less digits than its factorization.
30057632690 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 84718.
The product of its (nonzero) digits is 204120, while the sum is 41.
The spelling of 30057632690 in words is "thirty billion, fifty-seven million, six hundred thirty-two thousand, six hundred ninety".
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