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29745888090 = 2351039626501
BaseRepresentation
bin11011101100111111…
…100011101101011010
32211210001010200100220
4123230333203231122
5441404421404330
621355353340510
72102062606542
oct335477435532
984701120326
1029745888090
1111684861a96
125921a07736
132a60842c19
1416227bc322
15b91681710
hex6ecfe3b5a

29745888090 has 32 divisors (see below), whose sum is σ = 72083246976. Its totient is φ = 7855224000.

The previous prime is 29745888089. The next prime is 29745888143. The reversal of 29745888090 is 9088854792.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4810161 + ... + 4816340.

It is an arithmetic number, because the mean of its divisors is an integer number (2252601468).

Almost surely, 229745888090 is an apocalyptic number.

29745888090 is an abundant number, since it is smaller than the sum of its proper divisors (42337358886).

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

29745888090 is a wasteful number, since it uses less digits than its factorization.

29745888090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9626614.

The product of its (nonzero) digits is 11612160, while the sum is 60.

The spelling of 29745888090 in words is "twenty-nine billion, seven hundred forty-five million, eight hundred eighty-eight thousand, ninety".

Divisors: 1 2 3 5 6 10 15 30 103 206 309 515 618 1030 1545 3090 9626501 19253002 28879503 48132505 57759006 96265010 144397515 288795030 991529603 1983059206 2974588809 4957648015 5949177618 9915296030 14872944045 29745888090