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29813418340 = 2252364811779
BaseRepresentation
bin11011110001000001…
…001010100101100100
32211221202012120110021
4123301001022211210
5442024213341330
621410205004524
72103542605666
oct336101124544
984852176407
1029813418340
1111709996512
125940553744
132a71828554
14162b75a536
15b9757067a
hex6f104a964

29813418340 has 24 divisors (see below), whose sum is σ = 65330274240. Its totient is φ = 11406872928.

The previous prime is 29813418337. The next prime is 29813418433. The reversal of 29813418340 is 4381431892.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32405430 + ... + 32406349.

It is an arithmetic number, because the mean of its divisors is an integer number (2722094760).

Almost surely, 229813418340 is an apocalyptic number.

29813418340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29813418340 is an abundant number, since it is smaller than the sum of its proper divisors (35516855900).

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

29813418340 is a wasteful number, since it uses less digits than its factorization.

29813418340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64811811 (or 64811809 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 29813418340 in words is "twenty-nine billion, eight hundred thirteen million, four hundred eighteen thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 64811779 129623558 259247116 324058895 648117790 1296235580 1490670917 2981341834 5962683668 7453354585 14906709170 29813418340