Search a number
-
+
12220608137 = 107353332327
BaseRepresentation
bin10110110000110011…
…11010111010001001
31011112200020012211012
423120121322322021
5200011433430022
65340350013305
7611560312103
oct133031727211
934480205735
1012220608137
11520123a851
1224507a7235
1311c9a85c9a
1483d046573
154b7ceade2
hex2d867ae89

12220608137 has 8 divisors (see below), whose sum is σ = 12338692416. Its totient is φ = 12102595792.

The previous prime is 12220608131. The next prime is 12220608161. The reversal of 12220608137 is 73180602221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12220608137 - 224 = 12203830921 is a prime.

It is a super-2 number, since 2×122206081372 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12220608131) 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, 361868 + ... + 394194.

It is an arithmetic number, because the mean of its divisors is an integer number (1542336552).

Almost surely, 212220608137 is an apocalyptic number.

It is an amenable number.

12220608137 is a deficient number, since it is larger than the sum of its proper divisors (118084279).

12220608137 is a wasteful number, since it uses less digits than its factorization.

12220608137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35967.

The product of its (nonzero) digits is 8064, while the sum is 32.

The spelling of 12220608137 in words is "twelve billion, two hundred twenty million, six hundred eight thousand, one hundred thirty-seven".

Divisors: 1 107 3533 32327 378031 3458989 114211291 12220608137