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31840798134 = 2329663178903
BaseRepresentation
bin11101101001110111…
…000000010110110110
310001012001002010200210
4131221313000112312
51010202221020014
622343310450250
72205021214155
oct355167002666
9101161063623
1031840798134
111255a333a02
126207503986
13300586b072
141780b0159c
15c65540859
hex769dc05b6

31840798134 has 16 divisors (see below), whose sum is σ = 63684099072. Its totient is φ = 10613182248.

The previous prime is 31840798133. The next prime is 31840798201. The reversal of 31840798134 is 43189704813.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31840798133) 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, 88527 + ... + 267429.

It is an arithmetic number, because the mean of its divisors is an integer number (3980256192).

Almost surely, 231840798134 is an apocalyptic number.

31840798134 is an abundant number, since it is smaller than the sum of its proper divisors (31843300938).

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

31840798134 is a wasteful number, since it uses less digits than its factorization.

31840798134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208571.

The product of its (nonzero) digits is 580608, while the sum is 48.

The spelling of 31840798134 in words is "thirty-one billion, eight hundred forty million, seven hundred ninety-eight thousand, one hundred thirty-four".

Divisors: 1 2 3 6 29663 59326 88989 177978 178903 357806 536709 1073418 5306799689 10613599378 15920399067 31840798134