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12344943740 = 225617247187
BaseRepresentation
bin10110111111101000…
…01110010001111100
31011212100012010012112
423133310032101330
5200240301144430
65400550553152
7614630201423
oct133764162174
934770163175
1012344943740
115265442a48
1224863687b8
13121976a44c
148517702ba
154c3bab195
hex2dfd0e47c

12344943740 has 12 divisors (see below), whose sum is σ = 25924381896. Its totient is φ = 4937977488.

The previous prime is 12344943673. The next prime is 12344943757. The reversal of 12344943740 is 4734944321.

It is a congruent number.

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, 308623574 + ... + 308623613.

It is an arithmetic number, because the mean of its divisors is an integer number (2160365158).

Almost surely, 212344943740 is an apocalyptic number.

12344943740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12344943740 is an abundant number, since it is smaller than the sum of its proper divisors (13579438156).

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

12344943740 is a wasteful number, since it uses less digits than its factorization.

12344943740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617247196 (or 617247194 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 41.

The spelling of 12344943740 in words is "twelve billion, three hundred forty-four million, nine hundred forty-three thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 617247187 1234494374 2468988748 3086235935 6172471870 12344943740