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12320314430 = 256718388529
BaseRepresentation
bin10110111100101100…
…10001010000111110
31011210121211211010212
423132112101100332
5200213000030210
65354311032422
7614210642024
oct133626212076
934717754125
1012320314430
115252550646
12247a06b712
131214625ba8
1484c39c714
154c1943805
hex2de59143e

12320314430 has 16 divisors (see below), whose sum is σ = 22507560720. Its totient is φ = 4854571392.

The previous prime is 12320314429. The next prime is 12320314459. The reversal of 12320314430 is 3441302321.

It is a junction number, because it is equal to n+sod(n) for n = 12320314396 and 12320314405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9193595 + ... + 9194934.

It is an arithmetic number, because the mean of its divisors is an integer number (1406722545).

Almost surely, 212320314430 is an apocalyptic number.

12320314430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12320314430 is a deficient number, since it is larger than the sum of its proper divisors (10187246290).

12320314430 is a wasteful number, since it uses less digits than its factorization.

12320314430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18388603.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12320314430 its reverse (3441302321), we get a palindrome (15761616751).

The spelling of 12320314430 in words is "twelve billion, three hundred twenty million, three hundred fourteen thousand, four hundred thirty".

Divisors: 1 2 5 10 67 134 335 670 18388529 36777058 91942645 183885290 1232031443 2464062886 6160157215 12320314430