Base | Representation |
---|---|
bin | 1101111101101000010100… |
… | …00001100010000011010000 |
3 | 11000201100200112102000220111 |
4 | 12332310022001202003100 |
5 | 13011032103134413010 |
6 | 145145344220451104 |
7 | 6316232532244162 |
oct | 676641201420320 |
9 | 130640615360814 |
10 | 30704889372880 |
11 | 9868963637988 |
12 | 353a9913a9a94 |
13 | 14195c6843128 |
14 | 7821a5b96932 |
15 | 383a8823458a |
hex | 1bed0a0620d0 |
30704889372880 has 80 divisors (see below), whose sum is σ = 73857340684800. Its totient is φ = 11857350095360.
The previous prime is 30704889372863. The next prime is 30704889372991. The reversal of 30704889372880 is 8827398840703.
It is a tau number, because it is divible by the number of its divisors (80).
It is a congruent number.
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, 24868545 + ... + 26074015.
It is an arithmetic number, because the mean of its divisors is an integer number (923216758560).
Almost surely, 230704889372880 is an apocalyptic number.
It is an amenable number.
30704889372880 is an abundant number, since it is smaller than the sum of its proper divisors (43152451311920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30704889372880 is a wasteful number, since it uses less digits than its factorization.
30704889372880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1216492 (or 1216486 counting only the distinct ones).
The product of its (nonzero) digits is 130056192, while the sum is 67.
The spelling of 30704889372880 in words is "thirty trillion, seven hundred four billion, eight hundred eighty-nine million, three hundred seventy-two thousand, eight hundred eighty".
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