Base | Representation |
---|---|
bin | 11100100010101110… |
… | …010110001001001010 |
3 | 2221002212101110210012 |
4 | 130202232112021022 |
5 | 1000231210030423 |
6 | 22025034551522 |
7 | 2133320066132 |
oct | 344256261112 |
9 | 87085343705 |
10 | 30647345738 |
11 | 11aa769a509 |
12 | 5b338985a2 |
13 | 2b75529c09 |
14 | 16aa3d7ac2 |
15 | be589a078 |
hex | 722b9624a |
30647345738 has 32 divisors (see below), whose sum is σ = 46972224000. Its totient is φ = 14994604656.
The previous prime is 30647345719. The next prime is 30647345749. The reversal of 30647345738 is 83754374603.
It is a super-3 number, since 3×306473457383 (a number of 32 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6007913 + ... + 6013011.
It is an arithmetic number, because the mean of its divisors is an integer number (1467882000).
Almost surely, 230647345738 is an apocalyptic number.
30647345738 is a deficient number, since it is larger than the sum of its proper divisors (16324878262).
30647345738 is a wasteful number, since it uses less digits than its factorization.
30647345738 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5546.
The product of its (nonzero) digits is 5080320, while the sum is 50.
The spelling of 30647345738 in words is "thirty billion, six hundred forty-seven million, three hundred forty-five thousand, seven hundred thirty-eight".
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