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72128060116 = 2273833672059
BaseRepresentation
bin100001100101100101…
…0101101101011010100
320220011201200002112221
41003023022231223110
52140204240410431
653045110352124
75132254252360
oct1031312555324
9226151602487
1072128060116
1128653456142
1211b8b65b644
136a562ab518
1436c34c82a0
151d2236c111
hex10cb2adad4

72128060116 has 24 divisors (see below), whose sum is σ = 144293970240. Its totient is φ = 30903915072.

The previous prime is 72128060107. The next prime is 72128060183. The reversal of 72128060116 is 61106082127.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228706 + ... + 443353.

It is an arithmetic number, because the mean of its divisors is an integer number (6012248760).

Almost surely, 272128060116 is an apocalyptic number.

It is an amenable number.

72128060116 is an abundant number, since it is smaller than the sum of its proper divisors (72165910124).

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

72128060116 is a wasteful number, since it uses less digits than its factorization.

72128060116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675903 (or 675901 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The spelling of 72128060116 in words is "seventy-two billion, one hundred twenty-eight million, sixty thousand, one hundred sixteen".

Divisors: 1 2 4 7 14 28 3833 7666 15332 26831 53662 107324 672059 1344118 2688236 4704413 9408826 18817652 2576002147 5152004294 10304008588 18032015029 36064030058 72128060116