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139382812800 = 27335272114173
BaseRepresentation
bin1000000111001111011…
…1001111000010000000
3111022202211100112002000
42001303313033002000
54240424000002200
6144010453224000
713033015234500
oct2016367170200
9438684315060
10139382812800
1154125a67280
122301b032000
13101b3a5937a
146a6368da00
15395b95b300
hex2073dcf080

139382812800 has 2304 divisors, whose sum is σ = 672200726400. Its totient is φ = 27869184000.

The previous prime is 139382812783. The next prime is 139382812867. The reversal of 139382812800 is 8218283931.

It is a happy number.

139382812800 is a `hidden beast` number, since 1 + 3 + 93 + 8 + 281 + 280 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 1909353564 + ... + 1909353636.

Almost surely, 2139382812800 is an apocalyptic number.

139382812800 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 139382812800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336100363200).

139382812800 is an abundant number, since it is smaller than the sum of its proper divisors (532817913600).

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

139382812800 is a wasteful number, since it uses less digits than its factorization.

139382812800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 139382812800 in words is "one hundred thirty-nine billion, three hundred eighty-two million, eight hundred twelve thousand, eight hundred".