Base | Representation |
---|---|
bin | 100000010011100011000… |
… | …011101000000010111111 |
3 | 21212020020111012000220212 |
4 | 200103203003220002333 |
5 | 242333041200100411 |
6 | 4415505404303035 |
7 | 316250656632365 |
oct | 40234303500277 |
9 | 7766214160825 |
10 | 2220012503231 |
11 | 786558200956 |
12 | 2ba305841a7b |
13 | 131466a18223 |
14 | 7964078d635 |
15 | 3cb3333c68b |
hex | 204e30e80bf |
2220012503231 has 4 divisors (see below), whose sum is σ = 2220286215264. Its totient is φ = 2219738791200.
The previous prime is 2220012503183. The next prime is 2220012503287. The reversal of 2220012503231 is 1323052100222.
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 2220012503231 - 214 = 2220012486847 is a prime.
It is a super-2 number, since 2×22200125032312 (a number of 25 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 = 2220012503197 and 2220012503206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2220012593231) 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, 136843850 + ... + 136860071.
It is an arithmetic number, because the mean of its divisors is an integer number (555071553816).
Almost surely, 22220012503231 is an apocalyptic number.
2220012503231 is a deficient number, since it is larger than the sum of its proper divisors (273712033).
2220012503231 is an equidigital number, since it uses as much as digits as its factorization.
2220012503231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 273712032.
The product of its (nonzero) digits is 1440, while the sum is 23.
Adding to 2220012503231 its reverse (1323052100222), we get a palindrome (3543064603453).
The spelling of 2220012503231 in words is "two trillion, two hundred twenty billion, twelve million, five hundred three thousand, two hundred thirty-one".
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