Search a number
-
+
12300103231 = 132341137469
BaseRepresentation
bin10110111010010010…
…01010111000111111
31011202012210222120221
423131021022320333
5200142311300411
65352305522211
7613544103163
oct133511127077
934665728527
1012300103231
1152420a6679
122473343367
13121039a5c0
1484981aca3
154beca0071
hex2dd24ae3f

12300103231 has 8 divisors (see below), whose sum is σ = 13822189920. Its totient is φ = 10860291552.

The previous prime is 12300103229. The next prime is 12300103237. The reversal of 12300103231 is 13230100321.

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 12300103231 - 21 = 12300103229 is a prime.

It is a super-2 number, since 2×123001032312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12300103237) 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, 20568436 + ... + 20569033.

It is an arithmetic number, because the mean of its divisors is an integer number (1727773740).

Almost surely, 212300103231 is an apocalyptic number.

12300103231 is a deficient number, since it is larger than the sum of its proper divisors (1522086689).

12300103231 is a wasteful number, since it uses less digits than its factorization.

12300103231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41137505.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 12300103231 its reverse (13230100321), we get a palindrome (25530203552).

The spelling of 12300103231 in words is "twelve billion, three hundred million, one hundred three thousand, two hundred thirty-one".

Divisors: 1 13 23 299 41137469 534787097 946161787 12300103231