Base | Representation |
---|---|
bin | 1011101001110101110… |
… | …1000000100111011111 |
3 | 201010202222200001101022 |
4 | 2322131131000213133 |
5 | 11240012242420411 |
6 | 231550353434355 |
7 | 20315251653116 |
oct | 2723535004737 |
9 | 633688601338 |
10 | 200210123231 |
11 | 779aa438968 |
12 | 32975b6b9bb |
13 | 15b58a0c151 |
14 | 9993d7ac7d |
15 | 531bb2cedb |
hex | 2e9d7409df |
200210123231 has 4 divisors (see below), whose sum is σ = 200213178312. Its totient is φ = 200207068152.
The previous prime is 200210123167. The next prime is 200210123251. The reversal of 200210123231 is 132321012002.
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 200210123231 - 26 = 200210123167 is a prime.
It is a super-2 number, since 2×2002101232312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (200210123251) 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, 1427036 + ... + 1561041.
It is an arithmetic number, because the mean of its divisors is an integer number (50053294578).
Almost surely, 2200210123231 is an apocalyptic number.
200210123231 is a deficient number, since it is larger than the sum of its proper divisors (3055081).
200210123231 is an equidigital number, since it uses as much as digits as its factorization.
200210123231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3055080.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 200210123231 its reverse (132321012002), we get a palindrome (332531135233).
The spelling of 200210123231 in words is "two hundred billion, two hundred ten million, one hundred twenty-three thousand, two hundred thirty-one".
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