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139944241080 = 23345721098087
BaseRepresentation
bin1000001001010101010…
…0111010011110111000
3111101012221210000220000
42002111110322132320
54243101211203310
6144142310433000
713052643264600
oct2022524723670
9441187700800
10139944241080
115439396a696
1223157062760
131027316b557
146ab8075c00
153990daa4c0
hex209553a7b8

139944241080 has 480 divisors, whose sum is σ = 552251066400. Its totient is φ = 31689874944.

The previous prime is 139944241057. The next prime is 139944241091. The reversal of 139944241080 is 80142449931.

139944241080 is a `hidden beast` number, since 1 + 3 + 99 + 442 + 41 + 0 + 80 = 666.

It is a super-2 number, since 2×1399442410802 (a number of 23 digits) contains 22 as substring.

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 119 ways as a sum of consecutive naturals, for example, 17300797 + ... + 17308883.

It is an arithmetic number, because the mean of its divisors is an integer number (1150523055).

Almost surely, 2139944241080 is an apocalyptic number.

139944241080 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 139944241080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276125533200).

139944241080 is an abundant number, since it is smaller than the sum of its proper divisors (412306825320).

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

139944241080 is a wasteful number, since it uses less digits than its factorization.

139944241080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8233 (or 8213 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 139944241080 in words is "one hundred thirty-nine billion, nine hundred forty-four million, two hundred forty-one thousand, eighty".