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12446532042231 = 374022771473343
BaseRepresentation
bin1011010100011110111100…
…0111101111110111110111
31122001212200012220010200210
42311013233013233313313
53112410444200322411
642245505145240503
72423142444522150
oct265075707576767
948055605803623
1012446532042231
113a695a9948251
12149027a493133
136c391a46ca11
143105b5a94927
15168b699d0ca6
hexb51ef1efdf7

12446532042231 has 16 divisors (see below), whose sum is σ = 18966204084224. Its totient is φ = 7112281516704.

The previous prime is 12446532042187. The next prime is 12446532042277. The reversal of 12446532042231 is 13224023564421.

It is not a de Polignac number, because 12446532042231 - 26 = 12446532042167 is a prime.

It is a super-2 number, since 2×124465320422312 (a number of 27 digits) contains 22 as substring.

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 12446532042231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12446532042631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7711146 + ... + 9184488.

It is an arithmetic number, because the mean of its divisors is an integer number (1185387755264).

Almost surely, 212446532042231 is an apocalyptic number.

12446532042231 is a deficient number, since it is larger than the sum of its proper divisors (6519672041993).

12446532042231 is a wasteful number, since it uses less digits than its factorization.

12446532042231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875630.

The product of its (nonzero) digits is 276480, while the sum is 39.

The spelling of 12446532042231 in words is "twelve trillion, four hundred forty-six billion, five hundred thirty-two million, forty-two thousand, two hundred thirty-one".

Divisors: 1 3 7 21 402277 1206831 1473343 2815939 4420029 8447817 10313401 30940203 592692002011 1778076006033 4148844014077 12446532042231