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2220503031 = 3382240853
BaseRepresentation
bin1000010001011010…
…0010111111110111
312201202021020112000
42010112202333313
514021422044111
61004201030343
7106011651525
oct20426427767
95652236460
102220503031
11a3a46387a
1251b7853b3
1329505ca26
14170c97315
15cee1bc56
hex845a2ff7

2220503031 has 8 divisors (see below), whose sum is σ = 3289634160. Its totient is φ = 1480335336.

The previous prime is 2220503027. The next prime is 2220503041. The reversal of 2220503031 is 1303050222.

It is not a de Polignac number, because 2220503031 - 22 = 2220503027 is a prime.

It is a super-2 number, since 2×22205030312 = 9861267421360373922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2220502995 and 2220503013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220503011) 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, 41120400 + ... + 41120453.

It is an arithmetic number, because the mean of its divisors is an integer number (411204270).

Almost surely, 22220503031 is an apocalyptic number.

2220503031 is a deficient number, since it is larger than the sum of its proper divisors (1069131129).

2220503031 is an equidigital number, since it uses as much as digits as its factorization.

2220503031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82240862 (or 82240856 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 2220503031 is about 47122.2137743973. The cubic root of 2220503031 is about 1304.6192732666.

Adding to 2220503031 its reverse (1303050222), we get a palindrome (3523553253).

The spelling of 2220503031 in words is "two billion, two hundred twenty million, five hundred three thousand, thirty-one".

Divisors: 1 3 9 27 82240853 246722559 740167677 2220503031