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22131739974 = 2310933840581
BaseRepresentation
bin10100100111001001…
…111000110101000110
32010010101202212202010
4110213021320311012
5330311211134344
614100035555050
71412305454151
oct244711706506
963111685663
1022131739974
1194278768a3
124357a5ba86
132119229736
1410dd474c98
15897ea28b9
hex527278d46

22131739974 has 16 divisors (see below), whose sum is σ = 44669568240. Its totient is φ = 7309565280.

The previous prime is 22131739967. The next prime is 22131739991. The reversal of 22131739974 is 47993713122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16919637 + ... + 16920944.

It is an arithmetic number, because the mean of its divisors is an integer number (2791848015).

Almost surely, 222131739974 is an apocalyptic number.

22131739974 is an abundant number, since it is smaller than the sum of its proper divisors (22537828266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22131739974 is a wasteful number, since it uses less digits than its factorization.

22131739974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33840695.

The product of its digits is 571536, while the sum is 48.

The spelling of 22131739974 in words is "twenty-two billion, one hundred thirty-one million, seven hundred thirty-nine thousand, nine hundred seventy-four".

Divisors: 1 2 3 6 109 218 327 654 33840581 67681162 101521743 203043486 3688623329 7377246658 11065869987 22131739974