Base | Representation |
---|---|
bin | 100111110010100011… |
… | …001111101100011011 |
3 | 11002021111210122220010 |
4 | 213302203033230123 |
5 | 1144444323000014 |
6 | 31343244133003 |
7 | 3041512162620 |
oct | 476243175433 |
9 | 132244718803 |
10 | 42724031259 |
11 | 17134669048 |
12 | 8344237163 |
13 | 404b531290 |
14 | 20d4298347 |
15 | 11a0c17359 |
hex | 9f28cfb1b |
42724031259 has 32 divisors (see below), whose sum is σ = 70143575040. Its totient is φ = 22525356672.
The previous prime is 42724031221. The next prime is 42724031261. The reversal of 42724031259 is 95213042724.
It is not a de Polignac number, because 42724031259 - 27 = 42724031131 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is not an unprimeable number, because it can be changed into a prime (42724031059) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 575722 + ... + 645680.
It is an arithmetic number, because the mean of its divisors is an integer number (2191986720).
Almost surely, 242724031259 is an apocalyptic number.
42724031259 is a deficient number, since it is larger than the sum of its proper divisors (27419543781).
42724031259 is a wasteful number, since it uses less digits than its factorization.
42724031259 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72219.
The product of its (nonzero) digits is 120960, while the sum is 39.
The spelling of 42724031259 in words is "forty-two billion, seven hundred twenty-four million, thirty-one thousand, two hundred fifty-nine".
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