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12344123408 = 246173124981
BaseRepresentation
bin10110111111100010…
…00110000000010000
31011212021122102220212
423133301012000100
5200240043422113
65400521223252
7614620213661
oct133761060020
934767572825
1012344123408
115264a32691
122486031b28
131219540c46
148515d9368
154c3a980a8
hex2dfc46010

12344123408 has 20 divisors (see below), whose sum is σ = 23920804908. Its totient is φ = 6171012480.

The previous prime is 12344123371. The next prime is 12344123423. The reversal of 12344123408 is 80432144321.

It can be written as a sum of positive squares in 2 ways, for example, as 140944384 + 12203179024 = 11872^2 + 110468^2 .

It is a super-4 number, since 4×123441234084 (a number of 41 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36278 + ... + 161258.

Almost surely, 212344123408 is an apocalyptic number.

It is an amenable number.

12344123408 is a deficient number, since it is larger than the sum of its proper divisors (11576681500).

12344123408 is a wasteful number, since it uses less digits than its factorization.

12344123408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131162 (or 131156 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 12344123408 its reverse (80432144321), we get a palindrome (92776267729).

The spelling of 12344123408 in words is "twelve billion, three hundred forty-four million, one hundred twenty-three thousand, four hundred eight".

Divisors: 1 2 4 8 16 6173 12346 24692 49384 98768 124981 249962 499924 999848 1999696 771507713 1543015426 3086030852 6172061704 12344123408