Base | Representation |
---|---|
bin | 10000101011111… |
… | …00110111011111 |
3 | 100202101022120111 |
4 | 20111330313133 |
5 | 241313101223 |
6 | 21520030451 |
7 | 3316512550 |
oct | 1025746737 |
9 | 322338514 |
10 | 139972063 |
11 | 720130a0 |
12 | 3aa62427 |
13 | 22cca70a |
14 | 14838327 |
15 | c44d30d |
hex | 857cddf |
139972063 has 16 divisors (see below), whose sum is σ = 178228224. Its totient is φ = 106745760.
The previous prime is 139972061. The next prime is 139972087. The reversal of 139972063 is 360279931.
It is not a de Polignac number, because 139972063 - 21 = 139972061 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (139972061) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15720 + ... + 22957.
It is an arithmetic number, because the mean of its divisors is an integer number (11139264).
Almost surely, 2139972063 is an apocalyptic number.
139972063 is a deficient number, since it is larger than the sum of its proper divisors (38256161).
139972063 is a wasteful number, since it uses less digits than its factorization.
139972063 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38742.
The product of its (nonzero) digits is 61236, while the sum is 40.
The square root of 139972063 is about 11830.9789535778. The cubic root of 139972063 is about 519.2148691475.
The spelling of 139972063 in words is "one hundred thirty-nine million, nine hundred seventy-two thousand, sixty-three".
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