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27292293168 = 243797183653
BaseRepresentation
bin11001011010101111…
…110101100000110000
32121110001021010212220
4121122233311200300
5421343311340133
620312104321040
71654220443560
oct313257654060
977401233786
1027292293168
1110635873898
125358173180
13275c4107ca
14146c9aada0
15a9b0705b3
hex65abf5830

27292293168 has 80 divisors (see below), whose sum is σ = 80661194496. Its totient is φ = 7789674240.

The previous prime is 27292293163. The next prime is 27292293169. The reversal of 27292293168 is 86139229272.

It is a self number, because there is not a number n which added to its sum of digits gives 27292293168.

It is not an unprimeable number, because it can be changed into a prime (27292293163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284430 + ... + 368082.

Almost surely, 227292293168 is an apocalyptic number.

27292293168 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27292293168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40330597248).

27292293168 is an abundant number, since it is smaller than the sum of its proper divisors (53368901328).

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

27292293168 is a wasteful number, since it uses less digits than its factorization.

27292293168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84642 (or 84636 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 51.

The spelling of 27292293168 in words is "twenty-seven billion, two hundred ninety-two million, two hundred ninety-three thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 971 1942 2913 3884 5826 6797 7768 11652 13594 15536 20391 23304 27188 40782 46608 54376 81564 83653 108752 163128 167306 250959 326256 334612 501918 585571 669224 1003836 1171142 1338448 1756713 2007672 2342284 3513426 4015344 4684568 7026852 9369136 14053704 28107408 81227063 162454126 243681189 324908252 487362378 568589441 649816504 974724756 1137178882 1299633008 1705768323 1949449512 2274357764 3411536646 3898899024 4548715528 6823073292 9097431056 13646146584 27292293168