Base | Representation |
---|---|
bin | 100111001000010100… |
… | …001111011110011011 |
3 | 11000110010111021011211 |
4 | 213020110033132123 |
5 | 1142021424031011 |
6 | 31145053003551 |
7 | 3015116322166 |
oct | 471024173633 |
9 | 130403437154 |
10 | 42015455131 |
11 | 169006a1341 |
12 | 8186a835b7 |
13 | 3c677ab470 |
14 | 206812aadd |
15 | 115d8edb21 |
hex | 9c850f79b |
42015455131 has 8 divisors (see below), whose sum is σ = 45647834400. Its totient is φ = 38440278912.
The previous prime is 42015455129. The next prime is 42015455177. The reversal of 42015455131 is 13155451024.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 42015455131 - 21 = 42015455129 is a prime.
It is a super-2 number, since 2×420154551312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 42015455093 and 42015455102.
It is not an unprimeable number, because it can be changed into a prime (42015459131) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14299231 + ... + 14302168.
It is an arithmetic number, because the mean of its divisors is an integer number (5705979300).
Almost surely, 242015455131 is an apocalyptic number.
42015455131 is a deficient number, since it is larger than the sum of its proper divisors (3632379269).
42015455131 is a wasteful number, since it uses less digits than its factorization.
42015455131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28601525.
The product of its (nonzero) digits is 12000, while the sum is 31.
The spelling of 42015455131 in words is "forty-two billion, fifteen million, four hundred fifty-five thousand, one hundred thirty-one".
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