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12420033043 = 1117587113147
BaseRepresentation
bin10111001000100101…
…01010101000010011
31012001120111001100211
423210102222220103
5200414012024133
65412232224551
7616531352605
oct134422525023
935046431324
1012420033043
1152a386a720
1224a753b157
13122c19b5a2
1485b719175
154ca58ebcd
hex2e44aaa13

12420033043 has 16 divisors (see below), whose sum is σ = 14370701184. Its totient is φ = 10608568960.

The previous prime is 12420033023. The next prime is 12420033049. The reversal of 12420033043 is 34033002421.

It is a happy number.

It is not a de Polignac number, because 12420033043 - 29 = 12420032531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12420033049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53196 + ... + 166342.

It is an arithmetic number, because the mean of its divisors is an integer number (898168824).

Almost surely, 212420033043 is an apocalyptic number.

12420033043 is a deficient number, since it is larger than the sum of its proper divisors (1950668141).

12420033043 is a wasteful number, since it uses less digits than its factorization.

12420033043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113762.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 12420033043 its reverse (34033002421), we get a palindrome (46453035464).

The spelling of 12420033043 in words is "twelve billion, four hundred twenty million, thirty-three thousand, forty-three".

Divisors: 1 11 17 187 587 6457 9979 109769 113147 1244617 1923499 21158489 66417289 730590179 1129093913 12420033043