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29664682120 = 235741617053
BaseRepresentation
bin11011101000001001…
…110010000010001000
32211120101022222201101
4123220021302002020
5441223124311440
621343333031144
72100055431463
oct335011620210
984511288641
1029664682120
1111642a37817
1258ba7854b4
132a49a7c958
141615ac02da
15b8949069a
hex6e8272088

29664682120 has 16 divisors (see below), whose sum is σ = 66745534860. Its totient is φ = 11865872832.

The previous prime is 29664682111. The next prime is 29664682141. The reversal of 29664682120 is 2128646692.

It can be written as a sum of positive squares in 2 ways, for example, as 24509154916 + 5155527204 = 156554^2 + 71802^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370808487 + ... + 370808566.

Almost surely, 229664682120 is an apocalyptic number.

29664682120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29664682120 is an abundant number, since it is smaller than the sum of its proper divisors (37080852740).

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

29664682120 is a wasteful number, since it uses less digits than its factorization.

29664682120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741617064 (or 741617060 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 29664682120 in words is "twenty-nine billion, six hundred sixty-four million, six hundred eighty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 741617053 1483234106 2966468212 3708085265 5932936424 7416170530 14832341060 29664682120