Base | Representation |
---|---|
bin | 11100100110001101… |
… | …001110110110001100 |
3 | 2221020221022221020120 |
4 | 130212031032312030 |
5 | 1000341134231324 |
6 | 22034523144540 |
7 | 2134626525615 |
oct | 344615166614 |
9 | 87227287216 |
10 | 30705773964 |
11 | 120276774a8 |
12 | 5b4b375150 |
13 | 2b84676628 |
14 | 16b4086c0c |
15 | beaa8c179 |
hex | 72634ed8c |
30705773964 has 24 divisors (see below), whose sum is σ = 72356183088. Its totient is φ = 10133918400.
The previous prime is 30705773963. The next prime is 30705774013. The reversal of 30705773964 is 46937750703.
It is not an unprimeable number, because it can be changed into a prime (30705773963) 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, 12666187 + ... + 12668610.
It is an arithmetic number, because the mean of its divisors is an integer number (3014840962).
Almost surely, 230705773964 is an apocalyptic number.
It is an amenable number.
30705773964 is an abundant number, since it is smaller than the sum of its proper divisors (41650409124).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30705773964 is a wasteful number, since it uses less digits than its factorization.
30705773964 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25334905 (or 25334903 counting only the distinct ones).
The product of its (nonzero) digits is 3333960, while the sum is 51.
The spelling of 30705773964 in words is "thirty billion, seven hundred five million, seven hundred seventy-three thousand, nine hundred sixty-four".
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