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12344011765 = 512041205033
BaseRepresentation
bin10110111111100001…
…01010101111110101
31011212021102202202221
423133300222233311
5200240031334030
65400515002341
7614616240331
oct133760525765
934767382687
1012344011765
115264966818
122485b993b1
131219502197
148515aa7c1
154c3a74e7a
hex2dfc2abf5

12344011765 has 8 divisors (see below), whose sum is σ = 14814116568. Its totient is φ = 9874341120.

The previous prime is 12344011699. The next prime is 12344011781. The reversal of 12344011765 is 56711044321.

It can be written as a sum of positive squares in 4 ways, for example, as 5401956004 + 6942055761 = 73498^2 + 83319^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-12344011765 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12344011765.

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, 42312 + ... + 162721.

It is an arithmetic number, because the mean of its divisors is an integer number (1851764571).

Almost surely, 212344011765 is an apocalyptic number.

It is an amenable number.

12344011765 is a deficient number, since it is larger than the sum of its proper divisors (2470104803).

12344011765 is a wasteful number, since it uses less digits than its factorization.

12344011765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217079.

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 12344011765 in words is "twelve billion, three hundred forty-four million, eleven thousand, seven hundred sixty-five".

Divisors: 1 5 12041 60205 205033 1025165 2468802353 12344011765