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139388914368 = 26331117431363
BaseRepresentation
bin1000000111010000111…
…0100000101011000000
3111022210020211111212000
42001310032200223000
54240432030224433
6144011232104000
713033121136354
oct2016416405300
9438706744760
10139388914368
11541294544a0
1223021095000
13101b50b4672
146a643db464
15395c264113
hex20743a0ac0

139388914368 has 224 divisors, whose sum is σ = 473327089920. Its totient is φ = 39754321920.

The previous prime is 139388914367. The next prime is 139388914397. The reversal of 139388914368 is 863419883931.

139388914368 is a `hidden beast` number, since 1 + 39 + 3 + 88 + 91 + 436 + 8 = 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 (139388914367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107455 + ... + 538817.

Almost surely, 2139388914368 is an apocalyptic number.

139388914368 is a gapful number since it is divisible by the number (18) 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 139388914368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236663544960).

139388914368 is an abundant number, since it is smaller than the sum of its proper divisors (333938175552).

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

139388914368 is a wasteful number, since it uses less digits than its factorization.

139388914368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431412 (or 431396 counting only the distinct ones).

The product of its digits is 26873856, while the sum is 63.

The spelling of 139388914368 in words is "one hundred thirty-nine billion, three hundred eighty-eight million, nine hundred fourteen thousand, three hundred sixty-eight".