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29171112064 = 27297858597
BaseRepresentation
bin11011001010101110…
…111101100010000000
32210021222121000212221
4123022232331202000
5434220301041224
621222342100424
72051613234643
oct331256754200
983258530787
1029171112064
111140a372286
1257a141a714
13299b739473
1415aa31da5a
15b5ae976e4
hex6cabbd880

29171112064 has 32 divisors (see below), whose sum is σ = 60118274700. Its totient is φ = 14082604032.

The previous prime is 29171111989. The next prime is 29171112079. The reversal of 29171112064 is 46021117192.

It can be written as a sum of positive squares in 2 ways, for example, as 25469606464 + 3701505600 = 159592^2 + 60840^2 .

It is a tau number, because it is divible by the number of its divisors (32).

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, 3925587 + ... + 3933010.

Almost surely, 229171112064 is an apocalyptic number.

It is an amenable number.

29171112064 is an abundant number, since it is smaller than the sum of its proper divisors (30947162636).

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

29171112064 is an equidigital number, since it uses as much as digits as its factorization.

29171112064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7858640 (or 7858628 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The spelling of 29171112064 in words is "twenty-nine billion, one hundred seventy-one million, one hundred twelve thousand, sixty-four".

Divisors: 1 2 4 8 16 29 32 58 64 116 128 232 464 928 1856 3712 7858597 15717194 31434388 62868776 125737552 227899313 251475104 455798626 502950208 911597252 1005900416 1823194504 3646389008 7292778016 14585556032 29171112064