Base | Representation |
---|---|
bin | 1011000110101101110011… |
… | …0110011011001110001111 |
3 | 1121020021011001110210011221 |
4 | 2301223130312123032033 |
5 | 3100022041042410111 |
6 | 41545110404224211 |
7 | 2400100145132161 |
oct | 261533466331617 |
9 | 47207131423157 |
10 | 12210002310031 |
11 | 3988261a98629 |
12 | 145246909b067 |
13 | 6a75240277b6 |
14 | 302d78264931 |
15 | 16292455c371 |
hex | b1adcd9b38f |
12210002310031 has 4 divisors (see below), whose sum is σ = 12507807244464. Its totient is φ = 11912197375600.
The previous prime is 12210002309993. The next prime is 12210002310043. The reversal of 12210002310031 is 13001320001221.
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 12210002310031 - 27 = 12210002309903 is a prime.
It is a super-2 number, since 2×122100023100312 (a number of 27 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 = 12210002309987 and 12210002310014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12210002310631) 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, 148902467155 + ... + 148902467236.
It is an arithmetic number, because the mean of its divisors is an integer number (3126951811116).
Almost surely, 212210002310031 is an apocalyptic number.
12210002310031 is a deficient number, since it is larger than the sum of its proper divisors (297804934433).
12210002310031 is an equidigital number, since it uses as much as digits as its factorization.
12210002310031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 297804934432.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 12210002310031 its reverse (13001320001221), we get a palindrome (25211322311252).
The spelling of 12210002310031 in words is "twelve trillion, two hundred ten billion, two million, three hundred ten thousand, thirty-one".
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