Base | Representation |
---|---|
bin | 11100010011100000… |
… | …000010000001001100 |
3 | 2220110001210021012011 |
4 | 130103200002001030 |
5 | 444220313410202 |
6 | 21543432351004 |
7 | 2124066120433 |
oct | 342340020114 |
9 | 86401707164 |
10 | 30391935052 |
11 | 119865006a6 |
12 | 5a82245464 |
13 | 2b3464182b |
14 | 168451011a |
15 | bcd247bd7 |
hex | 71380204c |
30391935052 has 24 divisors (see below), whose sum is σ = 54329478336. Its totient is φ = 14869369728.
The previous prime is 30391934957. The next prime is 30391935053. The reversal of 30391935052 is 25053919303.
It is a junction number, because it is equal to n+sod(n) for n = 30391934996 and 30391935014.
It is not an unprimeable number, because it can be changed into a prime (30391935053) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 987448 + ... + 1017760.
It is an arithmetic number, because the mean of its divisors is an integer number (2263728264).
Almost surely, 230391935052 is an apocalyptic number.
It is an amenable number.
30391935052 is a deficient number, since it is larger than the sum of its proper divisors (23937543284).
30391935052 is a wasteful number, since it uses less digits than its factorization.
30391935052 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35697 (or 35695 counting only the distinct ones).
The product of its (nonzero) digits is 109350, while the sum is 40.
The spelling of 30391935052 in words is "thirty billion, three hundred ninety-one million, nine hundred thirty-five thousand, fifty-two".
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