Base | Representation |
---|---|
bin | 10000111100010… |
… | …11111101011111 |
3 | 100220110000010120 |
4 | 20132023331133 |
5 | 242341143124 |
6 | 22034210023 |
7 | 3344044131 |
oct | 1036137537 |
9 | 326400116 |
10 | 142131039 |
11 | 73258176 |
12 | 3b723913 |
13 | 235a530b |
14 | 14c3b051 |
15 | c727d79 |
hex | 878bf5f |
142131039 has 32 divisors (see below), whose sum is σ = 206469120. Its totient is φ = 86673888.
The previous prime is 142130993. The next prime is 142131047. The reversal of 142131039 is 930131241.
It is not a de Polignac number, because 142131039 - 213 = 142122847 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142131049) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 252172 + ... + 252734.
It is an arithmetic number, because the mean of its divisors is an integer number (6452160).
Almost surely, 2142131039 is an apocalyptic number.
142131039 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
142131039 is a deficient number, since it is larger than the sum of its proper divisors (64338081).
142131039 is a wasteful number, since it uses less digits than its factorization.
142131039 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 731.
The product of its (nonzero) digits is 648, while the sum is 24.
The square root of 142131039 is about 11921.8722942330. The cubic root of 142131039 is about 521.8707751053.
The spelling of 142131039 in words is "one hundred forty-two million, one hundred thirty-one thousand, thirty-nine".
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