Search a number
-
+
12230020331 = 293591174721
BaseRepresentation
bin10110110001111011…
…10100110011101011
31011120022221101220222
423120331310303223
5200021341122311
65341323440255
7612033312644
oct133075646353
934508841828
1012230020331
115206589321
12245398608b
1311cba00129
148403b66cb
154b8a59adb
hex2d8f74ceb

12230020331 has 8 divisors (see below), whose sum is σ = 12686997600. Its totient is φ = 11775393280.

The previous prime is 12230020279. The next prime is 12230020381. The reversal of 12230020331 is 13302003221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12230020331 is a prime.

It is a super-2 number, since 2×122300203312 (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 (12230020381) 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, 576950 + ... + 597771.

It is an arithmetic number, because the mean of its divisors is an integer number (1585874700).

Almost surely, 212230020331 is an apocalyptic number.

12230020331 is a deficient number, since it is larger than the sum of its proper divisors (456977269).

12230020331 is a wasteful number, since it uses less digits than its factorization.

12230020331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175109.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 12230020331 its reverse (13302003221), we get a palindrome (25532023552).

The spelling of 12230020331 in words is "twelve billion, two hundred thirty million, twenty thousand, three hundred thirty-one".

Divisors: 1 29 359 10411 1174721 34066909 421724839 12230020331