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22431130230 = 2354715908603
BaseRepresentation
bin10100111000111111…
…111110001001110110
32010220021010110222010
4110320333332021312
5331414332131410
614145452545050
71422602314065
oct247077761166
963807113863
1022431130230
119570874163
124420182186
132166272b32
14112b12a1dc
158b43e0c20
hex538ffe276

22431130230 has 32 divisors (see below), whose sum is σ = 54980135424. Its totient is φ = 5854365536.

The previous prime is 22431130193. The next prime is 22431130247. The reversal of 22431130230 is 3203113422.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22431130197 and 22431130206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7952892 + ... + 7955711.

It is an arithmetic number, because the mean of its divisors is an integer number (1718129232).

Almost surely, 222431130230 is an apocalyptic number.

22431130230 is an abundant number, since it is smaller than the sum of its proper divisors (32549005194).

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

22431130230 is a wasteful number, since it uses less digits than its factorization.

22431130230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15908660.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22431130230 its reverse (3203113422), we get a palindrome (25634243652).

It can be divided in two parts, 224311 and 30230, that added together give a triangular number (254541 = T713).

The spelling of 22431130230 in words is "twenty-two billion, four hundred thirty-one million, one hundred thirty thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 47 94 141 235 282 470 705 1410 15908603 31817206 47725809 79543015 95451618 159086030 238629045 477258090 747704341 1495408682 2243113023 3738521705 4486226046 7477043410 11215565115 22431130230