Base | Representation |
---|---|
bin | 11100011011011101… |
… | …100011111010000000 |
3 | 2220210101010022220220 |
4 | 130123131203322000 |
5 | 1000004012131102 |
6 | 22005003303040 |
7 | 2130310340562 |
oct | 343335437200 |
9 | 86711108826 |
10 | 30525505152 |
11 | 11a4494090a |
12 | 5abab1aa80 |
13 | 2b5620a2ac |
14 | 169815d332 |
15 | bd9d2e1bc |
hex | 71b763e80 |
30525505152 has 64 divisors (see below), whose sum is σ = 81569073600. Its totient is φ = 10114217984.
The previous prime is 30525505147. The next prime is 30525505163. The reversal of 30525505152 is 25150552503.
It is a tau number, because it is divible by the number of its divisors (64).
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, 173877 + ... + 302132.
It is an arithmetic number, because the mean of its divisors is an integer number (1274516775).
Almost surely, 230525505152 is an apocalyptic number.
30525505152 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
30525505152 is an abundant number, since it is smaller than the sum of its proper divisors (51043568448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30525505152 is a wasteful number, since it uses less digits than its factorization.
30525505152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 476193 (or 476181 counting only the distinct ones).
The product of its (nonzero) digits is 37500, while the sum is 33.
The spelling of 30525505152 in words is "thirty billion, five hundred twenty-five million, five hundred five thousand, one hundred fifty-two".
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