Base | Representation |
---|---|
bin | 11100000110111110… |
… | …100101100001000000 |
3 | 2212220102110101021111 |
4 | 130012332211201000 |
5 | 443303022402320 |
6 | 21510525333104 |
7 | 2115635262265 |
oct | 340676454100 |
9 | 85812411244 |
10 | 30181840960 |
11 | 11888953917 |
12 | 5a23a07194 |
13 | 2accc61bbb |
14 | 166466126c |
15 | bb9a97a5a |
hex | 706fa5840 |
30181840960 has 56 divisors (see below), whose sum is σ = 72542278080. Its totient is φ = 11959893504.
The previous prime is 30181840943. The next prime is 30181840979. The reversal of 30181840960 is 6904818103.
It is a Harshad number since it is a multiple of its sum of digits (40).
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, 406500 + ... + 474979.
Almost surely, 230181840960 is an apocalyptic number.
It is an amenable number.
30181840960 is an abundant number, since it is smaller than the sum of its proper divisors (42360437120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30181840960 is a wasteful number, since it uses less digits than its factorization.
30181840960 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 881603 (or 881593 counting only the distinct ones).
The product of its (nonzero) digits is 41472, while the sum is 40.
The spelling of 30181840960 in words is "thirty billion, one hundred eighty-one million, eight hundred forty thousand, nine hundred sixty".
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