Base | Representation |
---|---|
bin | 1101101100101011110110… |
… | …11101100011011111100000 |
3 | 10221122200220011002122121020 |
4 | 12312111323131203133200 |
5 | 12422012220302220333 |
6 | 144022100004525440 |
7 | 6226202005540011 |
oct | 666257335433740 |
9 | 127580804078536 |
10 | 30122676991968 |
11 | 9663a56957930 |
12 | 3465b876b0880 |
13 | 13a6730115722 |
14 | 761d34057008 |
15 | 37385ecbc3b3 |
hex | 1b657b7637e0 |
30122676991968 has 96 divisors (see below), whose sum is σ = 86266007759232. Its totient is φ = 9127489804800.
The previous prime is 30122676991877. The next prime is 30122676991969. The reversal of 30122676991968 is 86919967622103.
It is a tau number, because it is divible by the number of its divisors (96).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30122676991969) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15440023 + ... + 17281193.
It is an arithmetic number, because the mean of its divisors is an integer number (898604247492).
Almost surely, 230122676991968 is an apocalyptic number.
It is an amenable number.
30122676991968 is an abundant number, since it is smaller than the sum of its proper divisors (56143330767264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30122676991968 is a wasteful number, since it uses less digits than its factorization.
30122676991968 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1856688 (or 1856680 counting only the distinct ones).
The product of its (nonzero) digits is 105815808, while the sum is 69.
The spelling of 30122676991968 in words is "thirty trillion, one hundred twenty-two billion, six hundred seventy-six million, nine hundred ninety-one thousand, nine hundred sixty-eight".
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