Base | Representation |
---|---|
bin | 10000111100001… |
… | …01001100100011 |
3 | 100220101121010100 |
4 | 20132011030203 |
5 | 242334301311 |
6 | 22033433443 |
7 | 3343600266 |
oct | 1036051443 |
9 | 326347110 |
10 | 142103331 |
11 | 73239377 |
12 | 3b70b883 |
13 | 23595816 |
14 | 14c30cdd |
15 | c71ea56 |
hex | 8785323 |
142103331 has 6 divisors (see below), whose sum is σ = 205260380. Its totient is φ = 94735548.
The previous prime is 142103321. The next prime is 142103359. The reversal of 142103331 is 133301241.
It is not a de Polignac number, because 142103331 - 210 = 142102307 is a prime.
It is a super-2 number, since 2×1421033312 = 40386713362591122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142103321) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7894621 + ... + 7894638.
Almost surely, 2142103331 is an apocalyptic number.
142103331 is a deficient number, since it is larger than the sum of its proper divisors (63157049).
142103331 is a wasteful number, since it uses less digits than its factorization.
142103331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15789265 (or 15789262 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 142103331 is about 11920.7101717977. The cubic root of 142103331 is about 521.8368605448.
Adding to 142103331 its reverse (133301241), we get a palindrome (275404572).
The spelling of 142103331 in words is "one hundred forty-two million, one hundred three thousand, three hundred thirty-one".
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