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29318800187 = 79915740529
BaseRepresentation
bin11011010011100010…
…010110001100111011
32210200021111100220102
4123103202112030323
5440021103101222
621245135350015
72055355455365
oct332342261473
983607440812
1029318800187
1111485775586
12582298230b
1329c3208ca1
1415c1ba5d35
15b68e1bd92
hex6d389633b

29318800187 has 8 divisors (see below), whose sum is σ = 29693899200. Its totient is φ = 28943800704.

The previous prime is 29318800171. The next prime is 29318800207. The reversal of 29318800187 is 78100881392.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29318800187 - 24 = 29318800171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29318800487) 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, 703139 + ... + 743667.

It is an arithmetic number, because the mean of its divisors is an integer number (3711737400).

Almost surely, 229318800187 is an apocalyptic number.

29318800187 is a deficient number, since it is larger than the sum of its proper divisors (375099013).

29318800187 is an equidigital number, since it uses as much as digits as its factorization.

29318800187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49765.

The product of its (nonzero) digits is 193536, while the sum is 47.

The spelling of 29318800187 in words is "twenty-nine billion, three hundred eighteen million, eight hundred thousand, one hundred eighty-seven".

Divisors: 1 79 9157 40529 723403 3201791 371124053 29318800187