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139612877712 = 243271183151703
BaseRepresentation
bin1000001000000110010…
…0110111001110010000
3111100100212021000210200
42002001210313032100
54241411344041322
6144045352255200
713041510610620
oct2020144671620
9440325230720
10139612877712
1154233914470
12230840a1500
131021c60c059
146a8605a880
153971c538ac
hex2081937390

139612877712 has 240 divisors, whose sum is σ = 493006445568. Its totient is φ = 35825944320.

The previous prime is 139612877653. The next prime is 139612877713. The reversal of 139612877712 is 217778216931.

139612877712 is a `hidden beast` number, since 1 + 3 + 9 + 612 + 8 + 7 + 7 + 7 + 12 = 666.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (139612877713) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 844453 + ... + 996155.

Almost surely, 2139612877712 is an apocalyptic number.

139612877712 is a gapful number since it is divisible by the number (12) 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 139612877712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246503222784).

139612877712 is an abundant number, since it is smaller than the sum of its proper divisors (353393567856).

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

139612877712 is a wasteful number, since it uses less digits than its factorization.

139612877712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151818 (or 151809 counting only the distinct ones).

The product of its digits is 1778112, while the sum is 54.

The spelling of 139612877712 in words is "one hundred thirty-nine billion, six hundred twelve million, eight hundred seventy-seven thousand, seven hundred twelve".