Search a number
-
+
12302220208 = 24768888763
BaseRepresentation
bin10110111010100010…
…01111101110110000
31011202100210112112111
423131101033232300
5200143332021313
65352423135104
7613601101135
oct133521175660
934670715474
1012302220208
115243312143
122473ba4494
13121095c055
14849c0c58c
154c006c43d
hex2dd44fbb0

12302220208 has 10 divisors (see below), whose sum is σ = 23835551684. Its totient is φ = 6151110096.

The previous prime is 12302220179. The next prime is 12302220233. The reversal of 12302220208 is 80202220321.

It is a happy number.

It is a super-2 number, since 2×123022202082 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384444366 + ... + 384444397.

Almost surely, 212302220208 is an apocalyptic number.

It is an amenable number.

12302220208 is a deficient number, since it is larger than the sum of its proper divisors (11533331476).

12302220208 is an equidigital number, since it uses as much as digits as its factorization.

12302220208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768888771 (or 768888765 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12302220208 its reverse (80202220321), we get a palindrome (92504440529).

The spelling of 12302220208 in words is "twelve billion, three hundred two million, two hundred twenty thousand, two hundred eight".

Divisors: 1 2 4 8 16 768888763 1537777526 3075555052 6151110104 12302220208