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31232032044 = 2236738845811
BaseRepresentation
bin11101000101100100…
…101111110100101100
32222121121120121121120
4131011210233310230
51002430400011134
622203042500540
72153646615003
oct350544576454
988547517546
1031232032044
1112277738a34
126077664750
132c396c3445
141723d15c3a
15c2bd90649
hex74592fd2c

31232032044 has 24 divisors (see below), whose sum is σ = 73962426048. Its totient is φ = 10255293840.

The previous prime is 31232032031. The next prime is 31232032093. The reversal of 31232032044 is 44023023213.

It is an unprimeable number.

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, 19422102 + ... + 19423709.

It is an arithmetic number, because the mean of its divisors is an integer number (3081767752).

Almost surely, 231232032044 is an apocalyptic number.

It is an amenable number.

31232032044 is an abundant number, since it is smaller than the sum of its proper divisors (42730394004).

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

31232032044 is a wasteful number, since it uses less digits than its factorization.

31232032044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38845885 (or 38845883 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 31232032044 its reverse (44023023213), we get a palindrome (75255055257).

The spelling of 31232032044 in words is "thirty-one billion, two hundred thirty-two million, thirty-two thousand, forty-four".

Divisors: 1 2 3 4 6 12 67 134 201 268 402 804 38845811 77691622 116537433 155383244 233074866 466149732 2602669337 5205338674 7808008011 10410677348 15616016022 31232032044