Base | Representation |
---|---|
bin | 11100101011101011… |
… | …101011100111111000 |
3 | 2221111100012022211000 |
4 | 130223223223213320 |
5 | 1001033144022412 |
6 | 22052004205000 |
7 | 2140123432260 |
oct | 345353534770 |
9 | 87440168730 |
10 | 30797642232 |
11 | 12074514495 |
12 | 5b76099760 |
13 | 2b9a700a56 |
14 | 16c235c7a0 |
15 | c03b874dc |
hex | 72baeb9f8 |
30797642232 has 64 divisors (see below), whose sum is σ = 97770297600. Its totient is φ = 8799325920.
The previous prime is 30797642231. The next prime is 30797642263. The reversal of 30797642232 is 23224679703.
30797642232 is a `hidden beast` number, since 307 + 9 + 76 + 42 + 232 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30797642231) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10182894 + ... + 10185917.
It is an arithmetic number, because the mean of its divisors is an integer number (1527660900).
Almost surely, 230797642232 is an apocalyptic number.
It is an amenable number.
30797642232 is an abundant number, since it is smaller than the sum of its proper divisors (66972655368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30797642232 is a wasteful number, since it uses less digits than its factorization.
30797642232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20368833 (or 20368823 counting only the distinct ones).
The product of its (nonzero) digits is 762048, while the sum is 45.
The spelling of 30797642232 in words is "thirty billion, seven hundred ninety-seven million, six hundred forty-two thousand, two hundred thirty-two".
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