Base | Representation |
---|---|
bin | 11100101100111101… |
… | …110010001000000111 |
3 | 2221112211200210001200 |
4 | 130230331302020013 |
5 | 1001104201232204 |
6 | 22054053353543 |
7 | 2140504402032 |
oct | 345475621007 |
9 | 87484623050 |
10 | 30819164679 |
11 | 12085684636 |
12 | 5b813388b3 |
13 | 2ba1cc8124 |
14 | 16c5162019 |
15 | c059d9539 |
hex | 72cf72207 |
30819164679 has 12 divisors (see below), whose sum is σ = 44532189936. Its totient is φ = 20538901152.
The previous prime is 30819164639. The next prime is 30819164687. The reversal of 30819164679 is 97646191803.
It is not a de Polignac number, because 30819164679 - 232 = 26524197383 is a prime.
It is a super-2 number, since 2×308191646792 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30819164639) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 573579 + ... + 625004.
It is an arithmetic number, because the mean of its divisors is an integer number (3711015828).
Almost surely, 230819164679 is an apocalyptic number.
30819164679 is a deficient number, since it is larger than the sum of its proper divisors (13713025257).
30819164679 is a wasteful number, since it uses less digits than its factorization.
30819164679 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1201446 (or 1201443 counting only the distinct ones).
The product of its (nonzero) digits is 1959552, while the sum is 54.
The spelling of 30819164679 in words is "thirty billion, eight hundred nineteen million, one hundred sixty-four thousand, six hundred seventy-nine".
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