Search a number
-
+
12242201015 = 511220235043
BaseRepresentation
bin10110110011011000…
…10010100110110111
31011121011212020200102
423121230102212313
5200033000413030
65342440504315
7612241664102
oct133154224667
934534766612
1012242201015
115212448900
122457a7b09b
1312013a6435
14841c67739
154b9b63c45
hex2d9b129b7

12242201015 has 12 divisors (see below), whose sum is σ = 16147565112. Its totient is φ = 8903418480.

The previous prime is 12242201009. The next prime is 12242201017. The reversal of 12242201015 is 51010224221.

It is not a de Polignac number, because 12242201015 - 226 = 12175092151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12242201017) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 10116917 + ... + 10118126.

It is an arithmetic number, because the mean of its divisors is an integer number (1345630426).

Almost surely, 212242201015 is an apocalyptic number.

12242201015 is a deficient number, since it is larger than the sum of its proper divisors (3905364097).

12242201015 is a wasteful number, since it uses less digits than its factorization.

12242201015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20235070 (or 20235059 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 12242201015 its reverse (51010224221), we get a palindrome (63252425236).

The spelling of 12242201015 in words is "twelve billion, two hundred forty-two million, two hundred one thousand, fifteen".

Divisors: 1 5 11 55 121 605 20235043 101175215 222585473 1112927365 2448440203 12242201015