Base | Representation |
---|---|
bin | 10000111111010… |
… | …01010000010001 |
3 | 100221011102022112 |
4 | 20133221100101 |
5 | 242440410134 |
6 | 22050315105 |
7 | 3350225201 |
oct | 1037512021 |
9 | 327142275 |
10 | 142513169 |
11 | 73499287 |
12 | 3b888a95 |
13 | 236aa226 |
14 | 14cda401 |
15 | c7a11ce |
hex | 87e9411 |
142513169 has 8 divisors (see below), whose sum is σ = 148541952. Its totient is φ = 136573920.
The previous prime is 142513157. The next prime is 142513199. The reversal of 142513169 is 961315241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 142513169 - 24 = 142513153 is a prime.
It is a super-2 number, since 2×1425131692 = 40620006676845122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142513109) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19124 + ... + 25509.
It is an arithmetic number, because the mean of its divisors is an integer number (18567744).
Almost surely, 2142513169 is an apocalyptic number.
It is an amenable number.
142513169 is a deficient number, since it is larger than the sum of its proper divisors (6028783).
142513169 is a wasteful number, since it uses less digits than its factorization.
142513169 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44767.
The product of its digits is 6480, while the sum is 32.
The square root of 142513169 is about 11937.8879622821. The cubic root of 142513169 is about 522.3380528756.
The spelling of 142513169 in words is "one hundred forty-two million, five hundred thirteen thousand, one hundred sixty-nine".
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