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12110233631 = 234331216009
BaseRepresentation
bin10110100011101001…
…11000000000011111
31011020222112121110112
423101310320000133
5144300204434011
65321404200235
7606050200406
oct132164700037
934228477415
1012110233631
115154a02851
12241b83907b
1311acc4c322
1482c51463d
154ad29758b
hex2d1d3801f

12110233631 has 8 divisors (see below), whose sum is σ = 12665960160. Its totient is φ = 11556940032.

The previous prime is 12110233621. The next prime is 12110233643. The reversal of 12110233631 is 13633201121.

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 12110233631 - 26 = 12110233567 is a prime.

It is a super-2 number, since 2×121102336312 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 12110233597 and 12110233606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110233601) 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, 598046 + ... + 617963.

It is an arithmetic number, because the mean of its divisors is an integer number (1583245020).

Almost surely, 212110233631 is an apocalyptic number.

12110233631 is a deficient number, since it is larger than the sum of its proper divisors (555726529).

12110233631 is a wasteful number, since it uses less digits than its factorization.

12110233631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216465.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 12110233631 its reverse (13633201121), we get a palindrome (25743434752).

The spelling of 12110233631 in words is "twelve billion, one hundred ten million, two hundred thirty-three thousand, six hundred thirty-one".

Divisors: 1 23 433 9959 1216009 27968207 526531897 12110233631