Base | Representation |
---|---|
bin | 11100101000101101… |
… | …011001101111110100 |
3 | 2221100212100010112010 |
4 | 130220231121233310 |
5 | 1000432411333102 |
6 | 22043023124220 |
7 | 2135646442656 |
oct | 345055315764 |
9 | 87325303463 |
10 | 30747761652 |
11 | 12049345473 |
12 | 5b61443670 |
13 | 2b90287b0a |
14 | 16b98966d6 |
15 | bee5d2d6c |
hex | 728b59bf4 |
30747761652 has 24 divisors (see below), whose sum is σ = 72550900800. Its totient is φ = 10134093376.
The previous prime is 30747761641. The next prime is 30747761683. The reversal of 30747761652 is 25616774703.
It is a congruent number.
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, 14393952 + ... + 14396087.
It is an arithmetic number, because the mean of its divisors is an integer number (3022954200).
Almost surely, 230747761652 is an apocalyptic number.
It is an amenable number.
30747761652 is an abundant number, since it is smaller than the sum of its proper divisors (41803139148).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30747761652 is a wasteful number, since it uses less digits than its factorization.
30747761652 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28790135 (or 28790133 counting only the distinct ones).
The product of its (nonzero) digits is 1481760, while the sum is 48.
The spelling of 30747761652 in words is "thirty billion, seven hundred forty-seven million, seven hundred sixty-one thousand, six hundred fifty-two".
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