Base | Representation |
---|---|
bin | 11100001110100000… |
… | …010111011111000100 |
3 | 2220020020002212201220 |
4 | 130032200113133010 |
5 | 444032340340100 |
6 | 21531240320340 |
7 | 2122030625106 |
oct | 341640273704 |
9 | 86206085656 |
10 | 30308136900 |
11 | 11943175928 |
12 | 5a5a1730b0 |
13 | 2b20181722 |
14 | 1677339576 |
15 | bc5be3aa0 |
hex | 70e8177c4 |
30308136900 has 72 divisors (see below), whose sum is σ = 92306904480. Its totient is φ = 7656791040.
The previous prime is 30308136853. The next prime is 30308136931. The reversal of 30308136900 is 963180303.
It is a super-2 number, since 2×303081369002 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2652909 + ... + 2664308.
It is an arithmetic number, because the mean of its divisors is an integer number (1282040340).
Almost surely, 230308136900 is an apocalyptic number.
30308136900 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30308136900 is an abundant number, since it is smaller than the sum of its proper divisors (61998767580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30308136900 is a wasteful number, since it uses less digits than its factorization.
30308136900 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5317253 (or 5317246 counting only the distinct ones).
The product of its (nonzero) digits is 11664, while the sum is 33.
The spelling of 30308136900 in words is "thirty billion, three hundred eight million, one hundred thirty-six thousand, nine hundred".
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