Base | Representation |
---|---|
bin | 11100100011010011… |
… | …011101010000100000 |
3 | 2221010112200201201220 |
4 | 130203103131100200 |
5 | 1000241202333313 |
6 | 22030023255040 |
7 | 2133465555045 |
oct | 344323352040 |
9 | 87115621656 |
10 | 30657074208 |
11 | 12002134672 |
12 | 5b36baa480 |
13 | 2b77554cc7 |
14 | 16ab80b1cc |
15 | be666c823 |
hex | 7234dd420 |
30657074208 has 24 divisors (see below), whose sum is σ = 80474820048. Its totient is φ = 10219024704.
The previous prime is 30657074183. The next prime is 30657074213. The reversal of 30657074208 is 80247075603.
It is a tau number, because it is divible by the number of its divisors (24).
It is a self number, because there is not a number n which added to its sum of digits gives 30657074208.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159672166 + ... + 159672357.
It is an arithmetic number, because the mean of its divisors is an integer number (3353117502).
Almost surely, 230657074208 is an apocalyptic number.
It is an amenable number.
30657074208 is an abundant number, since it is smaller than the sum of its proper divisors (49817745840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30657074208 is a wasteful number, since it uses less digits than its factorization.
30657074208 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 319344536 (or 319344528 counting only the distinct ones).
The product of its (nonzero) digits is 282240, while the sum is 42.
The spelling of 30657074208 in words is "thirty billion, six hundred fifty-seven million, seventy-four thousand, two hundred eight".
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