Base | Representation |
---|---|
bin | 1011110001010000010… |
… | …0111110000100001111 |
3 | 201022220200120000102112 |
4 | 2330110010332010033 |
5 | 11303101234410111 |
6 | 232520050214235 |
7 | 20415466164026 |
oct | 2742404760417 |
9 | 638820500375 |
10 | 202200310031 |
11 | 78830892745 |
12 | 3323058437b |
13 | 160b512b985 |
14 | 9b023dd8bd |
15 | 53d6702e8b |
hex | 2f1413e10f |
202200310031 has 4 divisors (see below), whose sum is σ = 202203660864. Its totient is φ = 202196959200.
The previous prime is 202200310009. The next prime is 202200310033. The reversal of 202200310031 is 130013002202.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 202200310031 - 222 = 202196115727 is a prime.
It is a super-2 number, since 2×2022003100312 (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 = 202200309988 and 202200310015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (202200310033) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1583210 + ... + 1706151.
It is an arithmetic number, because the mean of its divisors is an integer number (50550915216).
Almost surely, 2202200310031 is an apocalyptic number.
202200310031 is a deficient number, since it is larger than the sum of its proper divisors (3350833).
202200310031 is an equidigital number, since it uses as much as digits as its factorization.
202200310031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3350832.
The product of its (nonzero) digits is 72, while the sum is 14.
Adding to 202200310031 its reverse (130013002202), we get a palindrome (332213312233).
The spelling of 202200310031 in words is "two hundred two billion, two hundred million, three hundred ten thousand, thirty-one".
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