Base | Representation |
---|---|
bin | 11100100011111010… |
… | …101000101101111000 |
3 | 2221011021000112021201 |
4 | 130203322220231320 |
5 | 1000301320013020 |
6 | 22031031343544 |
7 | 2133652062253 |
oct | 344372505570 |
9 | 87137015251 |
10 | 30667344760 |
11 | 12007a0a028 |
12 | 5b3a521bb4 |
13 | 2b7970ca60 |
14 | 16acd2209a |
15 | be74eaa0a |
hex | 723ea8b78 |
30667344760 has 64 divisors (see below), whose sum is σ = 74420599680. Its totient is φ = 11306373120.
The previous prime is 30667344739. The next prime is 30667344817. The reversal of 30667344760 is 6744376603.
It is a self number, because there is not a number n which added to its sum of digits gives 30667344760.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306145 + ... + 393775.
It is an arithmetic number, because the mean of its divisors is an integer number (1162821870).
Almost surely, 230667344760 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30667344760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37210299840).
30667344760 is an abundant number, since it is smaller than the sum of its proper divisors (43753254920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30667344760 is a wasteful number, since it uses less digits than its factorization.
30667344760 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 88328 (or 88324 counting only the distinct ones).
The product of its (nonzero) digits is 1524096, while the sum is 46.
The spelling of 30667344760 in words is "thirty billion, six hundred sixty-seven million, three hundred forty-four thousand, seven hundred sixty".
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