Base | Representation |
---|---|
bin | 10000111100001… |
… | …00110000001001 |
3 | 100220101111122000 |
4 | 20132010300021 |
5 | 242334222023 |
6 | 22033421213 |
7 | 3343562061 |
oct | 1036046011 |
9 | 326344560 |
10 | 142101513 |
11 | 73237a74 |
12 | 3b70a809 |
13 | 23594a48 |
14 | 14c303a1 |
15 | c71e243 |
hex | 8784c09 |
142101513 has 48 divisors (see below), whose sum is σ = 226771200. Its totient is φ = 87907680.
The previous prime is 142101511. The next prime is 142101523. The reversal of 142101513 is 315101241.
142101513 is a `hidden beast` number, since 142 + 10 + 1 + 513 = 666.
It is not a de Polignac number, because 142101513 - 21 = 142101511 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142101511) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 594448 + ... + 594686.
It is an arithmetic number, because the mean of its divisors is an integer number (4724400).
Almost surely, 2142101513 is an apocalyptic number.
It is an amenable number.
142101513 is a deficient number, since it is larger than the sum of its proper divisors (84669687).
142101513 is a wasteful number, since it uses less digits than its factorization.
142101513 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 347 (or 322 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 18.
The square root of 142101513 is about 11920.6339177076. The cubic root of 142101513 is about 521.8346351607.
Adding to 142101513 its reverse (315101241), we get a palindrome (457202754).
The spelling of 142101513 in words is "one hundred forty-two million, one hundred one thousand, five hundred thirteen".
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