Base | Representation |
---|---|
bin | 100111111111111111… |
… | …111111111110111111 |
3 | 11002212020101110000202 |
4 | 213333333333332333 |
5 | 1200430104013040 |
6 | 31421504314115 |
7 | 3050222124143 |
oct | 477777777677 |
9 | 132766343022 |
10 | 42949672895 |
11 | 1723aa74a38 |
12 | 83a791293b |
13 | 40861c583c |
14 | 2116233223 |
15 | 11b5939015 |
hex | 9ffffffbf |
42949672895 has 16 divisors (see below), whose sum is σ = 51626085600. Its totient is φ = 34302144384.
The previous prime is 42949672879. The next prime is 42949672897. The reversal of 42949672895 is 59827694924.
It is a cyclic number.
It is not a de Polignac number, because 42949672895 - 24 = 42949672879 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42949672897) 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, 9578324 + ... + 9582806.
It is an arithmetic number, because the mean of its divisors is an integer number (3226630350).
Almost surely, 242949672895 is an apocalyptic number.
42949672895 is a deficient number, since it is larger than the sum of its proper divisors (8676412705).
42949672895 is a wasteful number, since it uses less digits than its factorization.
42949672895 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7274.
The product of its digits is 78382080, while the sum is 65.
The spelling of 42949672895 in words is "forty-two billion, nine hundred forty-nine million, six hundred seventy-two thousand, eight hundred ninety-five".
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