Base | Representation |
---|---|
bin | 10000111101110… |
… | …01101001101110 |
3 | 100220210111212002 |
4 | 20132321221232 |
5 | 242413140230 |
6 | 22042212302 |
7 | 3345453560 |
oct | 1036715156 |
9 | 326714762 |
10 | 142318190 |
11 | 73375843 |
12 | 3b7b4092 |
13 | 2363c561 |
14 | 14c89330 |
15 | c763545 |
hex | 87b9a6e |
142318190 has 32 divisors (see below), whose sum is σ = 295626240. Its totient is φ = 48318624.
The previous prime is 142318177. The next prime is 142318199. The reversal of 142318190 is 91813241.
142318190 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1423181902 = 40508934409752200, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142318199) 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, 2660 + ... + 17079.
It is an arithmetic number, because the mean of its divisors is an integer number (9238320).
Almost surely, 2142318190 is an apocalyptic number.
142318190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
142318190 is an abundant number, since it is smaller than the sum of its proper divisors (153308050).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142318190 is a wasteful number, since it uses less digits than its factorization.
142318190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19856.
The product of its (nonzero) digits is 1728, while the sum is 29.
The square root of 142318190 is about 11929.7187728798. The cubic root of 142318190 is about 522.0997323668.
The spelling of 142318190 in words is "one hundred forty-two million, three hundred eighteen thousand, one hundred ninety".
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