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72551070152 = 2311824443979
BaseRepresentation
bin100001110010001100…
…0010111100111001000
320221021012122020020022
41003210120113213020
52142041033221102
653155101120012
75145611630651
oct1034430274710
9227235566208
1072551070152
1128850207910
1212089259008
136ac2b18312
14372375c528
151d495785a2
hex10e46179c8

72551070152 has 16 divisors (see below), whose sum is σ = 148399916400. Its totient is φ = 32977759120.

The previous prime is 72551070149. The next prime is 72551070161. The reversal of 72551070152 is 25107015527.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412221902 + ... + 412222077.

It is an arithmetic number, because the mean of its divisors is an integer number (9274994775).

Almost surely, 272551070152 is an apocalyptic number.

It is an amenable number.

72551070152 is an abundant number, since it is smaller than the sum of its proper divisors (75848846248).

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

72551070152 is a wasteful number, since it uses less digits than its factorization.

72551070152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824443996 (or 824443992 counting only the distinct ones).

The product of its (nonzero) digits is 24500, while the sum is 35.

Adding to 72551070152 its reverse (25107015527), we get a palindrome (97658085679).

The spelling of 72551070152 in words is "seventy-two billion, five hundred fifty-one million, seventy thousand, one hundred fifty-two".

Divisors: 1 2 4 8 11 22 44 88 824443979 1648887958 3297775916 6595551832 9068883769 18137767538 36275535076 72551070152