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72281929014 = 23716525361
BaseRepresentation
bin100001101010001010…
…1101011010100110110
320220120110012110000000
41003110111223110312
52141013133212024
653112244332130
75136133154631
oct1032425532466
9226513173000
1072281929014
11287222a0119
12120130a4046
136a7c1333c9
1436d9adcc18
151d30b12cc9
hex10d456b536

72281929014 has 32 divisors (see below), whose sum is σ = 162609562080. Its totient is φ = 24093974880.

The previous prime is 72281928991. The next prime is 72281929051. The reversal of 72281929014 is 41092918227.

72281929014 is a `hidden beast` number, since 72 + 281 + 9 + 290 + 14 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8258307 + ... + 8267054.

It is an arithmetic number, because the mean of its divisors is an integer number (5081548815).

Almost surely, 272281929014 is an apocalyptic number.

72281929014 is an abundant number, since it is smaller than the sum of its proper divisors (90327633066).

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

72281929014 is an equidigital number, since it uses as much as digits as its factorization.

72281929014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16525384 (or 16525366 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 72281929014 in words is "seventy-two billion, two hundred eighty-one million, nine hundred twenty-nine thousand, fourteen".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 729 1458 2187 4374 16525361 33050722 49576083 99152166 148728249 297456498 446184747 892369494 1338554241 2677108482 4015662723 8031325446 12046988169 24093976338 36140964507 72281929014