Base | Representation |
---|---|
bin | 101111101011110001… |
… | …0101100001001011111 |
3 | 100210022110111110222002 |
4 | 1133113202230021133 |
5 | 3134204003133400 |
6 | 115013032512515 |
7 | 10253402255345 |
oct | 1372742541137 |
9 | 323273443862 |
10 | 102400442975 |
11 | 3a478420476 |
12 | 17a1984b73b |
13 | 986bc21bbc |
14 | 4d55b97995 |
15 | 29e4d4bed5 |
hex | 17d78ac25f |
102400442975 has 24 divisors (see below), whose sum is σ = 129145952880. Its totient is φ = 80531390720.
The previous prime is 102400442959. The next prime is 102400442983. The reversal of 102400442975 is 579244004201.
It is not a de Polignac number, because 102400442975 - 24 = 102400442959 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 251912 + ... + 517938.
It is an arithmetic number, because the mean of its divisors is an integer number (5381081370).
Almost surely, 2102400442975 is an apocalyptic number.
102400442975 is a deficient number, since it is larger than the sum of its proper divisors (26745509905).
102400442975 is a wasteful number, since it uses less digits than its factorization.
102400442975 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 266299 (or 266294 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 38.
The spelling of 102400442975 in words is "one hundred two billion, four hundred million, four hundred forty-two thousand, nine hundred seventy-five".
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