Base | Representation |
---|---|
bin | 11100110000111110… |
… | …100100010011011000 |
3 | 2221201112100201001001 |
4 | 130300332210103120 |
5 | 1001223414312224 |
6 | 22104500234344 |
7 | 2142252511630 |
oct | 346076442330 |
9 | 87645321031 |
10 | 30886479064 |
11 | 1210a680961 |
12 | 5b9b99b9b4 |
13 | 2bb2c3641c |
14 | 16d00856c0 |
15 | c0b884544 |
hex | 730fa44d8 |
30886479064 has 32 divisors (see below), whose sum is σ = 66248532000. Its totient is φ = 13224418560.
The previous prime is 30886479061. The next prime is 30886479067. The reversal of 30886479064 is 46097468803.
It is an interprime number because it is at equal distance from previous prime (30886479061) and next prime (30886479067).
It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 30886478996 and 30886479014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30886479061) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 204147 + ... + 321634.
It is an arithmetic number, because the mean of its divisors is an integer number (2070266625).
Almost surely, 230886479064 is an apocalyptic number.
It is an amenable number.
30886479064 is an abundant number, since it is smaller than the sum of its proper divisors (35362052936).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30886479064 is a wasteful number, since it uses less digits than its factorization.
30886479064 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 526843 (or 526839 counting only the distinct ones).
The product of its (nonzero) digits is 6967296, while the sum is 55.
The spelling of 30886479064 in words is "thirty billion, eight hundred eighty-six million, four hundred seventy-nine thousand, sixty-four".
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