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27288576020 = 2252956578317
BaseRepresentation
bin11001011010100001…
…101010000000010100
32121102210021021220202
4121122201222000110
5421341333413040
620311452520032
71654144032446
oct313241520024
977383237822
1027288576020
1110633765072
125356a80018
13275b70b904
14146c2c0496
15a9aa89015
hex65a86a014

27288576020 has 48 divisors (see below), whose sum is σ = 59299687440. Its totient is φ = 10535906304.

The previous prime is 27288576013. The next prime is 27288576043. The reversal of 27288576020 is 2067588272.

It can be written as a sum of positive squares in 8 ways, for example, as 35188624 + 27253387396 = 5932^2 + 165086^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3276902 + ... + 3285218.

It is an arithmetic number, because the mean of its divisors is an integer number (1235410155).

Almost surely, 227288576020 is an apocalyptic number.

27288576020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27288576020 is an abundant number, since it is smaller than the sum of its proper divisors (32011111420).

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

27288576020 is a wasteful number, since it uses less digits than its factorization.

27288576020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14012 (or 14010 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 47.

The spelling of 27288576020 in words is "twenty-seven billion, two hundred eighty-eight million, five hundred seventy-six thousand, twenty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 5657 8317 11314 16634 22628 28285 33268 41585 56570 83170 113140 164053 166340 241193 328106 482386 656212 820265 964772 1205965 1640530 2411930 3281060 4823860 47049269 94098538 188197076 235246345 470492690 940985380 1364428801 2728857602 5457715204 6822144005 13644288010 27288576020