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29709873808 = 247923504647
BaseRepresentation
bin11011101010110110…
…001011001010010000
32211200112100222001121
4123222312023022100
5441321211430213
621352025412024
72101144521616
oct335266131220
984615328047
1029709873808
11116664a3a1a
12591193a014
132a562435b4
14161bac56b6
15b8d41a88d
hex6ead8b290

29709873808 has 20 divisors (see below), whose sum is σ = 58291527040. Its totient is φ = 14666899104.

The previous prime is 29709873763. The next prime is 29709873839. The reversal of 29709873808 is 80837890792.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11751060 + ... + 11753587.

It is an arithmetic number, because the mean of its divisors is an integer number (2914576352).

Almost surely, 229709873808 is an apocalyptic number.

It is an amenable number.

29709873808 is a deficient number, since it is larger than the sum of its proper divisors (28581653232).

29709873808 is a wasteful number, since it uses less digits than its factorization.

29709873808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23504734 (or 23504728 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 61.

The spelling of 29709873808 in words is "twenty-nine billion, seven hundred nine million, eight hundred seventy-three thousand, eight hundred eight".

Divisors: 1 2 4 8 16 79 158 316 632 1264 23504647 47009294 94018588 188037176 376074352 1856867113 3713734226 7427468452 14854936904 29709873808