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29295072288 = 2532425323917
BaseRepresentation
bin11011010010000111…
…110101010000100000
32210121121211212100100
4123102013311100200
5434444014303123
621242531022400
72054650002006
oct332207652040
983547755310
1029295072288
1111473339449
125816a3aa00
1329bb31bb01
1415bc98aa76
15b66cd1643
hex6d21f5420

29295072288 has 72 divisors (see below), whose sum is σ = 83330933868. Its totient is φ = 9762319872.

The previous prime is 29295072283. The next prime is 29295072329. The reversal of 29295072288 is 88227059292.

29295072288 is a `hidden beast` number, since 2 + 9 + 295 + 0 + 72 + 288 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 28430006544 + 865065744 = 168612^2 + 29412^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (29295072283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1212906 + ... + 1236822.

Almost surely, 229295072288 is an apocalyptic number.

It is an amenable number.

29295072288 is an abundant number, since it is smaller than the sum of its proper divisors (54035861580).

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

29295072288 is a wasteful number, since it uses less digits than its factorization.

29295072288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28186 (or 28175 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 29295072288 in words is "twenty-nine billion, two hundred ninety-five million, seventy-two thousand, two hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 4253 8506 12759 17012 23917 25518 34024 38277 47834 51036 68048 71751 76554 95668 102072 136096 143502 153108 191336 204144 215253 287004 306216 382672 408288 430506 574008 612432 765344 861012 1148016 1224864 1722024 2296032 3444048 6888096 101719001 203438002 305157003 406876004 610314006 813752008 915471009 1220628012 1627504016 1830942018 2441256024 3255008032 3661884036 4882512048 7323768072 9765024096 14647536144 29295072288