Base | Representation |
---|---|
bin | 10000111100010… |
… | …11111111101100 |
3 | 100220110000022210 |
4 | 20132023333230 |
5 | 242341144210 |
6 | 22034210420 |
7 | 3344044422 |
oct | 1036137754 |
9 | 326400283 |
10 | 142131180 |
11 | 73258294 |
12 | 3b723a10 |
13 | 235a53b9 |
14 | 14c3b112 |
15 | c727e20 |
hex | 878bfec |
142131180 has 24 divisors (see below), whose sum is σ = 397967472. Its totient is φ = 37901632.
The previous prime is 142131179. The next prime is 142131217. The reversal of 142131180 is 81131241.
It is a happy number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1184367 + ... + 1184486.
It is an arithmetic number, because the mean of its divisors is an integer number (16581978).
Almost surely, 2142131180 is an apocalyptic number.
142131180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
142131180 is an abundant number, since it is smaller than the sum of its proper divisors (255836292).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142131180 is a wasteful number, since it uses less digits than its factorization.
142131180 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2368865 (or 2368863 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 21.
The square root of 142131180 is about 11921.8782077322. The cubic root of 142131180 is about 521.8709476779.
It can be divided in two parts, 142131 and 180, that added together give a triangular number (142311 = T533).
The spelling of 142131180 in words is "one hundred forty-two million, one hundred thirty-one thousand, one hundred eighty".
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