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11312212110 = 2353251115987
BaseRepresentation
bin10101000100100001…
…01010100010001110
31002012100220220201220
422202100222202032
5141131411241420
65110255544210
7550220134143
oct124220524216
932170826656
1011312212110
1148854a3431
12223852b066
1310b380cb44
147945423ca
154631b1840
hex2a242a88e

11312212110 has 32 divisors (see below), whose sum is σ = 27157894272. Its totient is φ = 3015636000.

The previous prime is 11312212073. The next prime is 11312212127. The reversal of 11312212110 is 1121221311.

It is a super-2 number, since 2×113122121102 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11312212110.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39537 + ... + 155523.

It is an arithmetic number, because the mean of its divisors is an integer number (848684196).

Almost surely, 211312212110 is an apocalyptic number.

11312212110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11312212110 is an abundant number, since it is smaller than the sum of its proper divisors (15845682162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11312212110 is a wasteful number, since it uses less digits than its factorization.

11312212110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119248.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11312212110 its reverse (1121221311), we get a palindrome (12433433421).

The spelling of 11312212110 in words is "eleven billion, three hundred twelve million, two hundred twelve thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 3251 6502 9753 16255 19506 32510 48765 97530 115987 231974 347961 579935 695922 1159870 1739805 3479610 377073737 754147474 1131221211 1885368685 2262442422 3770737370 5656106055 11312212110