Base | Representation |
---|---|
bin | 10000100101000… |
… | …11000111010000 |
3 | 100200201000002110 |
4 | 20102203013100 |
5 | 241101031034 |
6 | 21444545320 |
7 | 3306106320 |
oct | 1022430720 |
9 | 320630073 |
10 | 139080144 |
11 | 71563a75 |
12 | 3a6b2240 |
13 | 22a77758 |
14 | 14685280 |
15 | c323de9 |
hex | 84a31d0 |
139080144 has 80 divisors (see below), whose sum is σ = 419401728. Its totient is φ = 38887296.
The previous prime is 139080127. The next prime is 139080163. The reversal of 139080144 is 441080931.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11389 + ... + 20195.
Almost surely, 2139080144 is an apocalyptic number.
139080144 is a gapful number since it is divisible by the number (14) 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 139080144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209700864).
139080144 is an abundant number, since it is smaller than the sum of its proper divisors (280321584).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
139080144 is a wasteful number, since it uses less digits than its factorization.
139080144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8872 (or 8866 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 30.
The square root of 139080144 is about 11793.2244954465. The cubic root of 139080144 is about 518.1096849367.
The spelling of 139080144 in words is "one hundred thirty-nine million, eighty thousand, one hundred forty-four".
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