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138759363832320 = 2932573112312151
BaseRepresentation
bin11111100011001101101110…
…100101110010101000000000
3200012022021011122102020010100
4133203031232211302220000
5121141413134120113240
61211041101032202400
741141014250616000
oct3743155645625000
9605267148366110
10138759363832320
1140238574485a00
12136905b2239400
135c56c4b32347a
142639dbbd16000
1511096b2054e30
hex7e336e972a00

138759363832320 has 4320 divisors, whose sum is σ = 640729478188800. Its totient is φ = 27718225920000.

The previous prime is 138759363832301. The next prime is 138759363832321. The reversal of 138759363832320 is 23238363957831.

138759363832320 is a `hidden beast` number, since 1 + 3 + 8 + 7 + 593 + 6 + 3 + 8 + 3 + 2 + 32 + 0 = 666.

It is a super-2 number, since 2×1387593638323202 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (138759363832321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 918936184245 + ... + 918936184395.

It is an arithmetic number, because the mean of its divisors is an integer number (148317008840).

Almost surely, 2138759363832320 is an apocalyptic number.

138759363832320 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 138759363832320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320364739094400).

138759363832320 is an abundant number, since it is smaller than the sum of its proper divisors (501970114356480).

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

138759363832320 is a wasteful number, since it uses less digits than its factorization.

138759363832320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 117573120, while the sum is 63.

The spelling of 138759363832320 in words is "one hundred thirty-eight trillion, seven hundred fifty-nine billion, three hundred sixty-three million, eight hundred thirty-two thousand, three hundred twenty".