Base | Representation |
---|---|
bin | 11100100110100011… |
… | …011110010000110000 |
3 | 2221021100022010220220 |
4 | 130212203132100300 |
5 | 1000344132314042 |
6 | 22035252133040 |
7 | 2135030220606 |
oct | 344643362060 |
9 | 87240263826 |
10 | 30711604272 |
11 | 1202a999938 |
12 | 5b51307180 |
13 | 2b8593830b |
14 | 16b4b63876 |
15 | beb33e8ec |
hex | 7268de430 |
30711604272 has 40 divisors (see below), whose sum is σ = 81897615360. Its totient is φ = 9906968640.
The previous prime is 30711604267. The next prime is 30711604277. The reversal of 30711604272 is 27240611703.
It is an interprime number because it is at equal distance from previous prime (30711604267) and next prime (30711604277).
It is not an unprimeable number, because it can be changed into a prime (30711604277) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10318272 + ... + 10321247.
It is an arithmetic number, because the mean of its divisors is an integer number (2047440384).
Almost surely, 230711604272 is an apocalyptic number.
It is an amenable number.
30711604272 is an abundant number, since it is smaller than the sum of its proper divisors (51186011088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30711604272 is a wasteful number, since it uses less digits than its factorization.
30711604272 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20639561 (or 20639555 counting only the distinct ones).
The product of its (nonzero) digits is 14112, while the sum is 33.
The spelling of 30711604272 in words is "thirty billion, seven hundred eleven million, six hundred four thousand, two hundred seventy-two".
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