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72693689028 = 223291039201049
BaseRepresentation
bin100001110110011100…
…0011010101011000100
320221122011000000112220
41003230320122223010
52142334041022103
653221154012340
75152263106302
oct1035470325304
9227564000486
1072693689028
1128913768554
1212108b770b0
136b1653169c
143738685272
151d56d4ac53
hex10ece1aac4

72693689028 has 48 divisors (see below), whose sum is σ = 175637280000. Its totient is φ = 23373036288.

The previous prime is 72693688927. The next prime is 72693689059. The reversal of 72693689028 is 82098639627.

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 15 ways as a sum of consecutive naturals, for example, 261048 + ... + 462096.

It is an arithmetic number, because the mean of its divisors is an integer number (3659110000).

Almost surely, 272693689028 is an apocalyptic number.

It is an amenable number.

72693689028 is an abundant number, since it is smaller than the sum of its proper divisors (102943590972).

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

72693689028 is a wasteful number, since it uses less digits than its factorization.

72693689028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202124 (or 202122 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 60.

The spelling of 72693689028 in words is "seventy-two billion, six hundred ninety-three million, six hundred eighty-nine thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 1039 2078 3117 4156 6234 12468 30131 60262 90393 120524 180786 201049 361572 402098 603147 804196 1206294 2412588 5830421 11660842 17491263 23321684 34982526 69965052 208889911 417779822 626669733 835559644 1253339466 2506678932 6057807419 12115614838 18173422257 24231229676 36346844514 72693689028