Base | Representation |
---|---|
bin | 10000101010001… |
… | …10101011101000 |
3 | 100201222001010101 |
4 | 20111012223220 |
5 | 241234000440 |
6 | 21511155144 |
7 | 3314566516 |
oct | 1025065350 |
9 | 321861111 |
10 | 139750120 |
11 | 71981374 |
12 | 3a975ab4 |
13 | 22c506a3 |
14 | 147bb4b6 |
15 | c40769a |
hex | 8546ae8 |
139750120 has 16 divisors (see below), whose sum is σ = 314437860. Its totient is φ = 55900032.
The previous prime is 139750103. The next prime is 139750123. The reversal of 139750120 is 21057931.
It can be written as a sum of positive squares in 2 ways, for example, as 127373796 + 12376324 = 11286^2 + 3518^2 .
It is not an unprimeable number, because it can be changed into a prime (139750123) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1746837 + ... + 1746916.
Almost surely, 2139750120 is an apocalyptic number.
139750120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
139750120 is an abundant number, since it is smaller than the sum of its proper divisors (174687740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
139750120 is a wasteful number, since it uses less digits than its factorization.
139750120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3493764 (or 3493760 counting only the distinct ones).
The product of its (nonzero) digits is 1890, while the sum is 28.
The square root of 139750120 is about 11821.5954929950. The cubic root of 139750120 is about 518.9402975319.
The spelling of 139750120 in words is "one hundred thirty-nine million, seven hundred fifty thousand, one hundred twenty".
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