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12023430402 = 2310319455389
BaseRepresentation
bin10110011001010011…
…01111110100000010
31011000221012112211010
423030221233310002
5144110444233102
65305023501350
7603644320644
oct131451576402
934027175733
1012023430402
11510aa05245
1223b6757856
131197c79479
14820b9a894
154a584cd6c
hex2cca6fd02

12023430402 has 16 divisors (see below), whose sum is σ = 24280326720. Its totient is φ = 3968899152.

The previous prime is 12023430401. The next prime is 12023430403. The reversal of 12023430402 is 20403432021.

12023430402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12023430401) and next prime (12023430403).

It is not an unprimeable number, because it can be changed into a prime (12023430401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9727077 + ... + 9728312.

It is an arithmetic number, because the mean of its divisors is an integer number (1517520420).

Almost surely, 212023430402 is an apocalyptic number.

12023430402 is an abundant number, since it is smaller than the sum of its proper divisors (12256896318).

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

12023430402 is a wasteful number, since it uses less digits than its factorization.

12023430402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19455497.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 12023430402 its reverse (20403432021), we get a palindrome (32426862423).

The spelling of 12023430402 in words is "twelve billion, twenty-three million, four hundred thirty thousand, four hundred two".

Divisors: 1 2 3 6 103 206 309 618 19455389 38910778 58366167 116732334 2003905067 4007810134 6011715201 12023430402