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12441021344 = 252997138209
BaseRepresentation
bin10111001011000101…
…01110101110100000
31012010000222100220022
423211202232232200
5200434400140334
65414302133012
7620204636153
oct134542565640
935100870808
1012441021344
1153046a5524
1224b2581168
1312336397bb
1486041dc9a
154cc33882e
hex2e58aeba0

12441021344 has 48 divisors (see below), whose sum is σ = 25599256200. Its totient is φ = 5944049664.

The previous prime is 12441021331. The next prime is 12441021349. The reversal of 12441021344 is 44312014421.

12441021344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9545290000 + 2895731344 = 97700^2 + 53812^2 .

It is not an unprimeable number, because it can be changed into a prime (12441021349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20912 + ... + 159120.

Almost surely, 212441021344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12441021344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12799628100).

12441021344 is an abundant number, since it is smaller than the sum of its proper divisors (13158234856).

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

12441021344 is a wasteful number, since it uses less digits than its factorization.

12441021344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138345 (or 138337 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 12441021344 its reverse (44312014421), we get a palindrome (56753035765).

The spelling of 12441021344 in words is "twelve billion, four hundred forty-one million, twenty-one thousand, three hundred forty-four".

Divisors: 1 2 4 8 16 29 32 58 97 116 194 232 388 464 776 928 1552 2813 3104 5626 11252 22504 45008 90016 138209 276418 552836 1105672 2211344 4008061 4422688 8016122 13406273 16032244 26812546 32064488 53625092 64128976 107250184 128257952 214500368 388781917 429000736 777563834 1555127668 3110255336 6220510672 12441021344