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12454345142 = 29349666079
BaseRepresentation
bin10111001100101011…
…00011100110110110
31012010222001021201022
423212111203212312
5201001303021032
65415455501142
7620426121101
oct134625434666
935128037638
1012454345142
115311175928
1224b6b277b2
1312363231c5
148620cb738
154cd5bb512
hex2e65639b6

12454345142 has 8 divisors (see below), whose sum is σ = 18683544000. Its totient is φ = 6226497144.

The previous prime is 12454345117. The next prime is 12454345193. The reversal of 12454345142 is 24154345421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×124543451422 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314342 + ... + 351737.

It is an arithmetic number, because the mean of its divisors is an integer number (2335443000).

Almost surely, 212454345142 is an apocalyptic number.

12454345142 is a deficient number, since it is larger than the sum of its proper divisors (6229198858).

12454345142 is an equidigital number, since it uses as much as digits as its factorization.

12454345142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675430.

The product of its digits is 76800, while the sum is 35.

The spelling of 12454345142 in words is "twelve billion, four hundred fifty-four million, three hundred forty-five thousand, one hundred forty-two".

Divisors: 1 2 9349 18698 666079 1332158 6227172571 12454345142