Base | Representation |
---|---|
bin | 10001000010010… |
… | …10110100111011 |
3 | 100221220201112200 |
4 | 20201022310323 |
5 | 243041202302 |
6 | 22103041243 |
7 | 3353511321 |
oct | 1041126473 |
9 | 327821480 |
10 | 142912827 |
11 | 73741582 |
12 | 3ba40223 |
13 | 237ba105 |
14 | 14da1d11 |
15 | c82e81c |
hex | 884ad3b |
142912827 has 12 divisors (see below), whose sum is σ = 206750544. Its totient is φ = 95127120.
The previous prime is 142912811. The next prime is 142912831. The reversal of 142912827 is 728219241.
It is not a de Polignac number, because 142912827 - 24 = 142912811 is a prime.
It is a super-2 number, since 2×1429128272 = 40848152242263858, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 142912791 and 142912800.
It is not an unprimeable number, because it can be changed into a prime (142912807) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6063 + ... + 17960.
It is an arithmetic number, because the mean of its divisors is an integer number (17229212).
Almost surely, 2142912827 is an apocalyptic number.
142912827 is a deficient number, since it is larger than the sum of its proper divisors (63837717).
142912827 is a wasteful number, since it uses less digits than its factorization.
142912827 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24690 (or 24687 counting only the distinct ones).
The product of its digits is 16128, while the sum is 36.
The square root of 142912827 is about 11954.6153012132. The cubic root of 142912827 is about 522.8258715189.
The spelling of 142912827 in words is "one hundred forty-two million, nine hundred twelve thousand, eight hundred twenty-seven".
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