Base | Representation |
---|---|
bin | 10000111100111… |
… | …00010101100011 |
3 | 100220120102010212 |
4 | 20132130111203 |
5 | 242400314430 |
6 | 22035444335 |
7 | 3344443523 |
oct | 1036342543 |
9 | 326512125 |
10 | 142198115 |
11 | 732a3604 |
12 | 3b7566ab |
13 | 235c99c7 |
14 | 14c57683 |
15 | c73cb95 |
hex | 879c563 |
142198115 has 12 divisors (see below), whose sum is σ = 181267536. Its totient is φ = 107065728.
The previous prime is 142198061. The next prime is 142198123. The reversal of 142198115 is 511891241.
142198115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 142198115 - 218 = 141935971 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47759 + ... + 50648.
It is an arithmetic number, because the mean of its divisors is an integer number (15105628).
Almost surely, 2142198115 is an apocalyptic number.
142198115 is a deficient number, since it is larger than the sum of its proper divisors (39069421).
142198115 is an equidigital number, since it uses as much as digits as its factorization.
142198115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 98446 (or 98429 counting only the distinct ones).
The product of its digits is 2880, while the sum is 32.
The square root of 142198115 is about 11924.6851111465. The cubic root of 142198115 is about 521.9528578068.
The spelling of 142198115 in words is "one hundred forty-two million, one hundred ninety-eight thousand, one hundred fifteen".
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