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42218861975 = 527331197417
BaseRepresentation
bin100111010100011100…
…001011010110010111
311000222022020101220122
4213110130023112113
51142431012040400
631221200422155
73023136256103
oct472434132627
9130868211818
1042218861975
11169a54a0974
12822301795b
133c9a989344
142087158903
1511716cc685
hex9d470b597

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".

Divisors: 1 5 25 73 365 1825 3119 7417 15595 37085 77975 185425 227687 541441 1138435 2707205 5692175 13536025 23133623 115668115 578340575 1688754479 8443772395 42218861975