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12444442032 = 2431123569019
BaseRepresentation
bin10111001011011111…
…10001110110110000
31012010021102011012110
423211233301312300
5200441234121112
65414503325320
7620246004051
oct134557616660
935107364173
1012444442032
115306621540
1224b3750840
131234266789
14860a70728
154cc7b213c
hex2e5bf1db0

12444442032 has 40 divisors (see below), whose sum is σ = 35070701760. Its totient is φ = 3771042880.

The previous prime is 12444441979. The next prime is 12444442033. The reversal of 12444442032 is 23024444421.

It is not an unprimeable number, because it can be changed into a prime (12444442033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11783982 + ... + 11785037.

It is an arithmetic number, because the mean of its divisors is an integer number (876767544).

Almost surely, 212444442032 is an apocalyptic number.

12444442032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12444442032 is an abundant number, since it is smaller than the sum of its proper divisors (22626259728).

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

12444442032 is a wasteful number, since it uses less digits than its factorization.

12444442032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23569041 (or 23569035 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 12444442032 its reverse (23024444421), we get a palindrome (35468886453).

The spelling of 12444442032 in words is "twelve billion, four hundred forty-four million, four hundred forty-two thousand, thirty-two".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 132 176 264 528 23569019 47138038 70707057 94276076 141414114 188552152 259259209 282828228 377104304 518518418 565656456 777777627 1037036836 1131312912 1555555254 2074073672 3111110508 4148147344 6222221016 12444442032