Base | Representation |
---|---|
bin | 100111010100011100… |
… | …001011010110010111 |
3 | 11000222022020101220122 |
4 | 213110130023112113 |
5 | 1142431012040400 |
6 | 31221200422155 |
7 | 3023136256103 |
oct | 472434132627 |
9 | 130868211818 |
10 | 42218861975 |
11 | 169a54a0974 |
12 | 822301795b |
13 | 3c9a989344 |
14 | 2087158903 |
15 | 11716cc685 |
hex | 9d470b597 |
42218861975 has 24 divisors (see below), whose sum is σ = 53092703040. Its totient is φ = 33297246720.
The previous prime is 42218861873. The next prime is 42218861977. The reversal of 42218861975 is 57916881224.
It is not a de Polignac number, because 42218861975 - 220 = 42217813399 is a prime.
It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42218861977) 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 23 ways as a sum of consecutive naturals, for example, 5688467 + ... + 5695883.
It is an arithmetic number, because the mean of its divisors is an integer number (2212195960).
Almost surely, 242218861975 is an apocalyptic number.
42218861975 is a deficient number, since it is larger than the sum of its proper divisors (10873841065).
42218861975 is a wasteful number, since it uses less digits than its factorization.
42218861975 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10619 (or 10614 counting only the distinct ones).
The product of its digits is 1935360, while the sum is 53.
The spelling of 42218861975 in words is "forty-two billion, two hundred eighteen million, eight hundred sixty-one thousand, nine hundred seventy-five".
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