Base | Representation |
---|---|
bin | 1011110001000010101… |
… | …0010111010101111111 |
3 | 201022202200201120101002 |
4 | 2330100222113111333 |
5 | 11302442102112111 |
6 | 232510242040515 |
7 | 20414202120113 |
oct | 2742052272577 |
9 | 638680646332 |
10 | 202143004031 |
11 | 78801501911 |
12 | 3321534913b |
13 | 160a62b5cb7 |
14 | 9ad8963743 |
15 | 53d168363b |
hex | 2f10a9757f |
202143004031 has 8 divisors (see below), whose sum is σ = 216965739744. Its totient is φ = 187646042880.
The previous prime is 202143003941. The next prime is 202143004039. The reversal of 202143004031 is 130400341202.
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 202143004031 - 218 = 202142741887 is a prime.
It is a super-2 number, since 2×2021430040312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 202143003994 and 202143004012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (202143004039) 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, 81442355 + ... + 81444836.
It is an arithmetic number, because the mean of its divisors is an integer number (27120717468).
Almost surely, 2202143004031 is an apocalyptic number.
202143004031 is a deficient number, since it is larger than the sum of its proper divisors (14822735713).
202143004031 is a wasteful number, since it uses less digits than its factorization.
202143004031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 162887281.
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 202143004031 its reverse (130400341202), we get a palindrome (332543345233).
The spelling of 202143004031 in words is "two hundred two billion, one hundred forty-three million, four thousand, thirty-one".
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