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79055745912 = 233211313233189
BaseRepresentation
bin100100110100000010…
…1101111001101111000
321120001112022222220100
41021220011233031320
52243401232332122
6100152342555400
75466034516143
oct1115005571570
9246045288810
1079055745912
11305889a9000
12133a3738b60
1375bb6154a0
143b7d5bd05a
1520ca64eaac
hex126816f378

79055745912 has 768 divisors, whose sum is σ = 276253286400. Its totient is φ = 20239718400.

The previous prime is 79055745907. The next prime is 79055745919. The reversal of 79055745912 is 21954755097.

It is a happy number.

79055745912 is a `hidden beast` number, since 7 + 9 + 0 + 5 + 574 + 59 + 12 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79055745919) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 888266764 + ... + 888266852.

It is an arithmetic number, because the mean of its divisors is an integer number (359704800).

Almost surely, 279055745912 is an apocalyptic number.

79055745912 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79055745912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138126643200).

79055745912 is an abundant number, since it is smaller than the sum of its proper divisors (197197540488).

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

79055745912 is a wasteful number, since it uses less digits than its factorization.

79055745912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 3969000, while the sum is 54.

The spelling of 79055745912 in words is "seventy-nine billion, fifty-five million, seven hundred forty-five thousand, nine hundred twelve".