Base | Representation |
---|---|
bin | 11100010000010100… |
… | …000001100110101001 |
3 | 2220022100011020200200 |
4 | 130100110001212221 |
5 | 444113121042402 |
6 | 21534242222413 |
7 | 2122546422654 |
oct | 342024014651 |
9 | 86270136620 |
10 | 30338455977 |
11 | 119592a4015 |
12 | 5a68354a09 |
13 | 2b265389cb |
14 | 167b38c89b |
15 | bc86d221c |
hex | 7105019a9 |
30338455977 has 24 divisors (see below), whose sum is σ = 44449424448. Its totient is φ = 19938204000.
The previous prime is 30338455933. The next prime is 30338456009. The reversal of 30338455977 is 77955483303.
30338455977 is a `hidden beast` number, since 3 + 0 + 3 + 3 + 8 + 45 + 597 + 7 = 666.
It is not a de Polignac number, because 30338455977 - 215 = 30338423209 is a prime.
It is a super-2 number, since 2×303384559772 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30338455907) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92823 + ... + 263235.
It is an arithmetic number, because the mean of its divisors is an integer number (1852059352).
Almost surely, 230338455977 is an apocalyptic number.
It is an amenable number.
30338455977 is a deficient number, since it is larger than the sum of its proper divisors (14110968471).
30338455977 is a wasteful number, since it uses less digits than its factorization.
30338455977 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 170701 (or 170698 counting only the distinct ones).
The product of its (nonzero) digits is 9525600, while the sum is 54.
The spelling of 30338455977 in words is "thirty billion, three hundred thirty-eight million, four hundred fifty-five thousand, nine hundred seventy-seven".
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