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12420033042 = 2343112773761
BaseRepresentation
bin10111001000100101…
…01010101000010010
31012001120111001100210
423210102222220102
5200414012024132
65412232224550
7616531352604
oct134422525022
935046431323
1012420033042
1152a386a71a
1224a753b156
13122c19b5a1
1485b719174
154ca58ebcc
hex2e44aaa12

12420033042 has 32 divisors (see below), whose sum is σ = 24923821824. Its totient is φ = 4126073600.

The previous prime is 12420033023. The next prime is 12420033049. The reversal of 12420033042 is 24033002421.

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, 3300442 + ... + 3304202.

It is an arithmetic number, because the mean of its divisors is an integer number (778869432).

Almost surely, 212420033042 is an apocalyptic number.

12420033042 is an abundant number, since it is smaller than the sum of its proper divisors (12503788782).

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

12420033042 is a wasteful number, since it uses less digits than its factorization.

12420033042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5474.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 12420033042 its reverse (24033002421), we get a palindrome (36453035463).

The spelling of 12420033042 in words is "twelve billion, four hundred twenty million, thirty-three thousand, forty-two".

Divisors: 1 2 3 6 431 862 1277 1293 2554 2586 3761 3831 7522 7662 11283 22566 550387 1100774 1620991 1651161 3241982 3302322 4802797 4862973 9605594 9725946 14408391 28816782 2070005507 4140011014 6210016521 12420033042