Base | Representation |
---|---|
bin | 10000111101000… |
… | …00000000001010 |
3 | 100220121011201222 |
4 | 20132200000022 |
5 | 242401310010 |
6 | 22040042042 |
7 | 3344535353 |
oct | 1036400012 |
9 | 326534658 |
10 | 142213130 |
11 | 73303914 |
12 | 3b763322 |
13 | 236037a7 |
14 | 14c5cd2a |
15 | c742355 |
hex | 87a000a |
142213130 has 16 divisors (see below), whose sum is σ = 258470784. Its totient is φ = 56332560.
The previous prime is 142213091. The next prime is 142213153. The reversal of 142213130 is 31312241.
It is a super-3 number, since 3×1422131303 (a number of 25 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 142213099 and 142213108.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68006 + ... + 70065.
It is an arithmetic number, because the mean of its divisors is an integer number (16154424).
Almost surely, 2142213130 is an apocalyptic number.
142213130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
142213130 is a deficient number, since it is larger than the sum of its proper divisors (116257654).
142213130 is a wasteful number, since it uses less digits than its factorization.
142213130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 138181.
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 142213130 is about 11925.3146709007. The cubic root of 142213130 is about 521.9712285293.
Adding to 142213130 its reverse (31312241), we get a palindrome (173525371).
The spelling of 142213130 in words is "one hundred forty-two million, two hundred thirteen thousand, one hundred thirty".
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