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11312032230 = 2325267147057
BaseRepresentation
bin10101000100011111…
…11110100111100110
31002012100120202222200
422202033332213212
5141131340012410
65110252035330
7550215454542
oct124217764746
932170522880
1011312032230
114885390274
122238462b46
1310b3778cc5
147944d6a22
154631783c0
hex2a23fe9e6

11312032230 has 48 divisors (see below), whose sum is σ = 29422920384. Its totient is φ = 3015348480.

The previous prime is 11312032159. The next prime is 11312032267. The reversal of 11312032230 is 3223021311.

11312032230 is a `hidden beast` number, since 1 + 1 + 312 + 0 + 322 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 216862 + ... + 263918.

It is an arithmetic number, because the mean of its divisors is an integer number (612977508).

Almost surely, 211312032230 is an apocalyptic number.

11312032230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11312032230 is an abundant number, since it is smaller than the sum of its proper divisors (18110888154).

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

11312032230 is a wasteful number, since it uses less digits than its factorization.

11312032230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49741 (or 49738 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 11312032230 its reverse (3223021311), we get a palindrome (14535053541).

The spelling of 11312032230 in words is "eleven billion, three hundred twelve million, thirty-two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 2671 5342 8013 13355 16026 24039 26710 40065 47057 48078 80130 94114 120195 141171 235285 240390 282342 423513 470570 705855 847026 1411710 2117565 4235130 125689247 251378494 377067741 628446235 754135482 1131203223 1256892470 1885338705 2262406446 3770677410 5656016115 11312032230