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12183758816 = 251920039077
BaseRepresentation
bin10110101100011010…
…10110011111100000
31011110002220002001112
423112031112133200
5144423020240231
65332552122452
7610632145505
oct132615263740
934402802045
1012183758816
115192461369
122440396428
1311c2253558
148381b34ac
154b496c92b
hex2d63567e0

12183758816 has 24 divisors (see below), whose sum is σ = 25249238280. Its totient is φ = 5771253888.

The previous prime is 12183758813. The next prime is 12183758837. The reversal of 12183758816 is 61885738121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12183758813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10018931 + ... + 10020146.

It is an arithmetic number, because the mean of its divisors is an integer number (1052051595).

Almost surely, 212183758816 is an apocalyptic number.

12183758816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12183758816 is an abundant number, since it is smaller than the sum of its proper divisors (13065479464).

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

12183758816 is a wasteful number, since it uses less digits than its factorization.

12183758816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20039106 (or 20039098 counting only the distinct ones).

The product of its digits is 645120, while the sum is 50.

The spelling of 12183758816 in words is "twelve billion, one hundred eighty-three million, seven hundred fifty-eight thousand, eight hundred sixteen".

Divisors: 1 2 4 8 16 19 32 38 76 152 304 608 20039077 40078154 80156308 160312616 320625232 380742463 641250464 761484926 1522969852 3045939704 6091879408 12183758816