Base | Representation |
---|---|
bin | 1101111101111011010101… |
… | …11101101111111101100000 |
3 | 11000202100001112020112001010 |
4 | 12332331222331233331200 |
5 | 13011214014030041244 |
6 | 145154154052140520 |
7 | 6320043644530341 |
oct | 676755275577540 |
9 | 130670045215033 |
10 | 30715105705824 |
11 | 9872226480051 |
12 | 3540962907740 |
13 | 141a5642b5b57 |
14 | 7828949500c8 |
15 | 383e850c5eb9 |
hex | 1bef6af6ff60 |
30715105705824 has 96 divisors (see below), whose sum is σ = 86398479861120. Its totient is φ = 9520013821952.
The previous prime is 30715105705811. The next prime is 30715105705831. The reversal of 30715105705824 is 42850750151703.
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (31) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113241234 + ... + 113512145.
It is an arithmetic number, because the mean of its divisors is an integer number (899984165220).
Almost surely, 230715105705824 is an apocalyptic number.
30715105705824 is a gapful number since it is divisible by the number (34) formed by its first and last digit.
It is an amenable number.
30715105705824 is an abundant number, since it is smaller than the sum of its proper divisors (55683374155296).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30715105705824 is a wasteful number, since it uses less digits than its factorization.
30715105705824 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 226753492 (or 226753484 counting only the distinct ones).
The product of its (nonzero) digits is 1176000, while the sum is 48.
The spelling of 30715105705824 in words is "thirty trillion, seven hundred fifteen billion, one hundred five million, seven hundred five thousand, eight hundred twenty-four".
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