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139424248627200 = 22032521921637
BaseRepresentation
bin11111101100111000111100…
…110100000000000000000000
3200021122211100121110101012200
4133230320330310000000000
5121233311330122032300
61212310340544553200
741240032566255135
oct3754707464000000
9607584317411180
10139424248627200
1140474545627219
121377942a922800
135ca485b731114
1426602536c258c
15111bb283c2200
hex7ece3cd00000

139424248627200 has 1134 divisors, whose sum is σ = 527440678116534. Its totient is φ = 35201451294720.

The previous prime is 139424248627193. The next prime is 139424248627273. The reversal of 139424248627200 is 2726842424931.

139424248627200 is a `hidden beast` number, since 1 + 3 + 9 + 4 + 2 + 4 + 2 + 4 + 8 + 627 + 2 + 0 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 412225634304 + 139012022992896 = 642048^2 + 11790336^2 .

It is a super-2 number, since 2×1394242486272002 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 85170584782 + ... + 85170586418.

Almost surely, 2139424248627200 is an apocalyptic number.

139424248627200 is a gapful number since it is divisible by the number (10) 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 139424248627200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263720339058267).

139424248627200 is an abundant number, since it is smaller than the sum of its proper divisors (388016429489334).

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

139424248627200 is an frugal number, since it uses more digits than its factorization.

139424248627200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731 (or 1666 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 54.

The spelling of 139424248627200 in words is "one hundred thirty-nine trillion, four hundred twenty-four billion, two hundred forty-eight million, six hundred twenty-seven thousand, two hundred".