Base | Representation |
---|---|
bin | 1000010100001011110… |
… | …0110011101000010111 |
3 | 111122201221221111112010 |
4 | 2011002330303220113 |
5 | 4320032413012033 |
6 | 145343324355303 |
7 | 13215063541341 |
oct | 2050274635027 |
9 | 448657844463 |
10 | 142857157143 |
11 | 55649160638 |
12 | 2382a6a5b33 |
13 | 106187b221c |
14 | 6cb2c90291 |
15 | 3ab199b863 |
hex | 2142f33a17 |
142857157143 has 12 divisors (see below), whose sum is σ = 197270845928. Its totient is φ = 91954030560.
The previous prime is 142857157129. The next prime is 142857157147. The reversal of 142857157143 is 341751758241.
It is not a de Polignac number, because 142857157143 - 28 = 142857156887 is a prime.
It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 142857157092 and 142857157101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142857157147) 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, 28308448 + ... + 28313493.
Almost surely, 2142857157143 is an apocalyptic number.
142857157143 is a deficient number, since it is larger than the sum of its proper divisors (54413688785).
142857157143 is an equidigital number, since it uses as much as digits as its factorization.
142857157143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56622002 (or 56621973 counting only the distinct ones).
The product of its digits is 940800, while the sum is 48.
The spelling of 142857157143 in words is "one hundred forty-two billion, eight hundred fifty-seven million, one hundred fifty-seven thousand, one hundred forty-three".
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