Base | Representation |
---|---|
bin | 100110101100… |
… | …000110101010 |
3 | 201002021101011 |
4 | 212230012222 |
5 | 10044021442 |
6 | 1001214134 |
7 | 152130604 |
oct | 46540652 |
9 | 21067334 |
10 | 10142122 |
11 | 57a7a21 |
12 | 349134a |
13 | 2141473 |
14 | 14c0174 |
15 | d55117 |
hex | 9ac1aa |
10142122 has 4 divisors (see below), whose sum is σ = 15213186. Its totient is φ = 5071060.
The previous prime is 10142113. The next prime is 10142131. The reversal of 10142122 is 22124101.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22124101 = 227 ⋅97463.
It is an interprime number because it is at equal distance from previous prime (10142113) and next prime (10142131).
It can be written as a sum of positive squares in only one way, i.e., 6869641 + 3272481 = 2621^2 + 1809^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2535529 + ... + 2535532.
Almost surely, 210142122 is an apocalyptic number.
10142122 is a deficient number, since it is larger than the sum of its proper divisors (5071064).
10142122 is an equidigital number, since it uses as much as digits as its factorization.
10142122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5071063.
The product of its (nonzero) digits is 32, while the sum is 13.
The square root of 10142122 is about 3184.6698416005. The cubic root of 10142122 is about 216.4593135234.
Adding to 10142122 its reverse (22124101), we get a palindrome (32266223).
It can be divided in two parts, 1014 and 2122, that added together give a square (3136 = 562).
The spelling of 10142122 in words is "ten million, one hundred forty-two thousand, one hundred twenty-two".
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