Search a number
-
+
12310030230 = 235410334341
BaseRepresentation
bin10110111011011110…
…00010011110010110
31011202220111022212120
423131233002132112
5200202331431410
65353302400410
7614024346651
oct133557023626
934686438776
1012310030230
115247766a03
122476730106
131212464b74
1484ac82898
154c0ab1570
hex2ddbc2796

12310030230 has 16 divisors (see below), whose sum is σ = 29544072624. Its totient is φ = 3282674720.

The previous prime is 12310030207. The next prime is 12310030237. The reversal of 12310030230 is 3203001321.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12310030237) 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, 205167141 + ... + 205167200.

It is an arithmetic number, because the mean of its divisors is an integer number (1846504539).

Almost surely, 212310030230 is an apocalyptic number.

12310030230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12310030230 is an abundant number, since it is smaller than the sum of its proper divisors (17234042394).

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

12310030230 is a wasteful number, since it uses less digits than its factorization.

12310030230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410334351.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 12310030230 its reverse (3203001321), we get a palindrome (15513031551).

The spelling of 12310030230 in words is "twelve billion, three hundred ten million, thirty thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 410334341 820668682 1231003023 2051671705 2462006046 4103343410 6155015115 12310030230