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12340530830 = 256361194003
BaseRepresentation
bin10110111111000110…
…11000111010001110
31011212000212220211102
423133203120322032
5200233133441310
65400312223102
7614544531665
oct133743307216
934760786742
1012340530830
1152629a9511
12248499aa92
131218883964
14850d41ddc
154c35d88a5
hex2df8d8e8e

12340530830 has 16 divisors (see below), whose sum is σ = 22216562064. Its totient is φ = 4935410880.

The previous prime is 12340530821. The next prime is 12340530833. The reversal of 12340530830 is 3803504321.

It is a junction number, because it is equal to n+sod(n) for n = 12340530793 and 12340530802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12340530833) 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, 33392 + ... + 160611.

It is an arithmetic number, because the mean of its divisors is an integer number (1388535129).

Almost surely, 212340530830 is an apocalyptic number.

12340530830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12340530830 is a deficient number, since it is larger than the sum of its proper divisors (9876031234).

12340530830 is a wasteful number, since it uses less digits than its factorization.

12340530830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200371.

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 12340530830 in words is "twelve billion, three hundred forty million, five hundred thirty thousand, eight hundred thirty".

Divisors: 1 2 5 10 6361 12722 31805 63610 194003 388006 970015 1940030 1234053083 2468106166 6170265415 12340530830