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29542291868 = 2215739469253
BaseRepresentation
bin11011100000110110…
…111001100110011100
32211020212000220212002
4123200312321212130
5441000311314433
621323241501432
72064041223545
oct334066714634
984225026762
1029542291868
111158a943151
1258857a1878
132a2a5c9a9b
1416037414cc
15b7d8669e8
hex6e0db999c

29542291868 has 12 divisors (see below), whose sum is σ = 51702405720. Its totient is φ = 14770175952.

The previous prime is 29542291861. The next prime is 29542291871. The reversal of 29542291868 is 86819224592.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29542291861) 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 3 ways as a sum of consecutive naturals, for example, 171671 + ... + 297582.

It is an arithmetic number, because the mean of its divisors is an integer number (4308533810).

Almost surely, 229542291868 is an apocalyptic number.

It is an amenable number.

29542291868 is a deficient number, since it is larger than the sum of its proper divisors (22160113852).

29542291868 is a wasteful number, since it uses less digits than its factorization.

29542291868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484996 (or 484994 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 56.

The spelling of 29542291868 in words is "twenty-nine billion, five hundred forty-two million, two hundred ninety-one thousand, eight hundred sixty-eight".

Divisors: 1 2 4 15739 31478 62956 469253 938506 1877012 7385572967 14771145934 29542291868