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139422597120 = 21832553223
BaseRepresentation
bin1000000111011000111…
…1000000000000000000
3111022212121012202220100
42001312033000000000
54241014141101440
6144014434042400
713034010343662
oct2016617000000
9438777182810
10139422597120
115414646a884
1223030419400
13101bc0789a1
146a68a88532
1539601b9230
hex20763c0000

139422597120 has 456 divisors, whose sum is σ = 494658493056. Its totient is φ = 36314284032.

The previous prime is 139422597107. The next prime is 139422597187. The reversal of 139422597120 is 21795224931.

139422597120 is a `hidden beast` number, since 1 + 3 + 9 + 42 + 2 + 597 + 12 + 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 23 ways as a sum of consecutive naturals, for example, 625213329 + ... + 625213551.

Almost surely, 2139422597120 is an apocalyptic number.

139422597120 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 139422597120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247329246528).

139422597120 is an abundant number, since it is smaller than the sum of its proper divisors (355235895936).

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

139422597120 is an frugal number, since it uses more digits than its factorization.

139422597120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 139422597120 in words is "one hundred thirty-nine billion, four hundred twenty-two million, five hundred ninety-seven thousand, one hundred twenty".