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12338423340 = 2235211974599
BaseRepresentation
bin10110111110110110…
…10110011000101100
31011211212220211220020
423133123112120230
5200232114021330
65400155122140
7614520603465
oct133733263054
934755824806
1012338423340
11526179a091
122484143350
1312182c6619
14850953d6c
154c331e210
hex2df6d662c

12338423340 has 48 divisors (see below), whose sum is σ = 34711353600. Its totient is φ = 3274649280.

The previous prime is 12338423333. The next prime is 12338423341. The reversal of 12338423340 is 4332483321.

It is not an unprimeable number, because it can be changed into a prime (12338423341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 474640 + ... + 499959.

It is an arithmetic number, because the mean of its divisors is an integer number (723153200).

Almost surely, 212338423340 is an apocalyptic number.

12338423340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12338423340 is an abundant number, since it is smaller than the sum of its proper divisors (22372930260).

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

12338423340 is a wasteful number, since it uses less digits than its factorization.

12338423340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974822 (or 974820 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

The spelling of 12338423340 in words is "twelve billion, three hundred thirty-eight million, four hundred twenty-three thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 211 422 633 844 1055 1266 2110 2532 3165 4220 6330 12660 974599 1949198 2923797 3898396 4872995 5847594 9745990 11695188 14618985 19491980 29237970 58475940 205640389 411280778 616921167 822561556 1028201945 1233842334 2056403890 2467684668 3084605835 4112807780 6169211670 12338423340