Base | Representation |
---|---|
bin | 11100011100010110… |
… | …100110101101000000 |
3 | 2220211102021001111022 |
4 | 130130112212231000 |
5 | 1000021324140231 |
6 | 22010300005012 |
7 | 2130551421350 |
oct | 343426465500 |
9 | 86742231438 |
10 | 30540458816 |
11 | 11a5232480a |
12 | 5b03b30768 |
13 | 2b5934480a |
14 | 169a132b60 |
15 | bdb2d4c7b |
hex | 71c5a6b40 |
30540458816 has 56 divisors (see below), whose sum is σ = 70568271360. Its totient is φ = 12841800192.
The previous prime is 30540458779. The next prime is 30540458831. The reversal of 30540458816 is 61885404503.
It is a tau number, because it is divible by the number of its divisors (56).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 619376 + ... + 666863.
Almost surely, 230540458816 is an apocalyptic number.
It is an amenable number.
30540458816 is an abundant number, since it is smaller than the sum of its proper divisors (40027812544).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30540458816 is a wasteful number, since it uses less digits than its factorization.
30540458816 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1286311 (or 1286301 counting only the distinct ones).
The product of its (nonzero) digits is 460800, while the sum is 44.
The spelling of 30540458816 in words is "thirty billion, five hundred forty million, four hundred fifty-eight thousand, eight hundred sixteen".
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