Search a number
-
+
3102312220012 = 22775578055003
BaseRepresentation
bin101101001001010000001…
…101111100010101101100
3101222120121110202120021001
4231021100031330111230
5401312013412020022
610333103233250044
7440064121530565
oct55112015742554
911876543676231
103102312220012
11a96757409a05
124212ba103924
131967153a2965
14aa21d08716c
1555a71965b27
hex2d25037c56c

3102312220012 has 6 divisors (see below), whose sum is σ = 5429046385028. Its totient is φ = 1551156110004.

The previous prime is 3102312220003. The next prime is 3102312220031. The reversal of 3102312220012 is 2100222132013.

It is a super-2 number, since 2×31023122200122 (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387789027498 + ... + 387789027505.

Almost surely, 23102312220012 is an apocalyptic number.

It is an amenable number.

3102312220012 is a deficient number, since it is larger than the sum of its proper divisors (2326734165016).

3102312220012 is a wasteful number, since it uses less digits than its factorization.

3102312220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775578055007 (or 775578055005 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 3102312220012 its reverse (2100222132013), we get a palindrome (5202534352025).

The spelling of 3102312220012 in words is "three trillion, one hundred two billion, three hundred twelve million, two hundred twenty thousand, twelve".

Divisors: 1 2 4 775578055003 1551156110006 3102312220012