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29318800189 = 722326014907
BaseRepresentation
bin11011010011100010…
…010110001100111101
32210200021111100220111
4123103202112030331
5440021103101224
621245135350021
72055355455400
oct332342261475
983607440814
1029318800189
1111485775588
125822982311
1329c3208ca3
1415c1ba5d37
15b68e1bd94
hex6d389633d

29318800189 has 12 divisors (see below), whose sum is σ = 35588394144. Its totient is φ = 24037773144.

The previous prime is 29318800171. The next prime is 29318800207. The reversal of 29318800189 is 98100881392.

It is an interprime number because it is at equal distance from previous prime (29318800171) and next prime (29318800207).

It is not a de Polignac number, because 29318800189 - 221 = 29316703037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29318800139) 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 11 ways as a sum of consecutive naturals, for example, 13006327 + ... + 13008580.

It is an arithmetic number, because the mean of its divisors is an integer number (2965699512).

Almost surely, 229318800189 is an apocalyptic number.

It is an amenable number.

29318800189 is a deficient number, since it is larger than the sum of its proper divisors (6269593955).

29318800189 is a wasteful number, since it uses less digits than its factorization.

29318800189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26014944 (or 26014937 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 49.

The spelling of 29318800189 in words is "twenty-nine billion, three hundred eighteen million, eight hundred thousand, one hundred eighty-nine".

Divisors: 1 7 23 49 161 1127 26014907 182104349 598342861 1274730443 4188400027 29318800189