Base | Representation |
---|---|
bin | 10000111111010… |
… | …01001101111001 |
3 | 100221011102002220 |
4 | 20133221031321 |
5 | 242440404032 |
6 | 22050314253 |
7 | 3350224563 |
oct | 1037511571 |
9 | 327142086 |
10 | 142513017 |
11 | 73499159 |
12 | 3b888989 |
13 | 236aa13a |
14 | 14cda333 |
15 | c7a112c |
hex | 87e9379 |
142513017 has 12 divisors (see below), whose sum is σ = 191490096. Its totient is φ = 94277920.
The previous prime is 142513013. The next prime is 142513039. The reversal of 142513017 is 710315241.
It is not a de Polignac number, because 142513017 - 22 = 142513013 is a prime.
It is a super-3 number, since 3×1425130173 (a number of 25 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (142513013) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55042 + ... + 57572.
It is an arithmetic number, because the mean of its divisors is an integer number (15957508).
Almost surely, 2142513017 is an apocalyptic number.
It is an amenable number.
142513017 is a deficient number, since it is larger than the sum of its proper divisors (48977079).
142513017 is an equidigital number, since it uses as much as digits as its factorization.
142513017 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2808 (or 2671 counting only the distinct ones).
The product of its (nonzero) digits is 840, while the sum is 24.
The square root of 142513017 is about 11937.8815959952. The cubic root of 142513017 is about 522.3378671725.
Adding to 142513017 its reverse (710315241), we get a palindrome (852828258).
The spelling of 142513017 in words is "one hundred forty-two million, five hundred thirteen thousand, seventeen".
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