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12493335407 = 71784762201
BaseRepresentation
bin10111010001010100…
…10010101101101111
31012020200102012022012
423220222102231233
5201041243213112
65423411311435
7621411412250
oct135052225557
935220365265
1012493335407
115331186893
122507bab57b
131241425277
1486735ab27
154d1c1e022
hex2e8a92b6f

12493335407 has 4 divisors (see below), whose sum is σ = 14278097616. Its totient is φ = 10708573200.

The previous prime is 12493335359. The next prime is 12493335427. The reversal of 12493335407 is 70453339421.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12493335407 - 226 = 12426226543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12493335427) by changing a digit.

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, 892381094 + ... + 892381107.

It is an arithmetic number, because the mean of its divisors is an integer number (3569524404).

Almost surely, 212493335407 is an apocalyptic number.

12493335407 is a deficient number, since it is larger than the sum of its proper divisors (1784762209).

12493335407 is an equidigital number, since it uses as much as digits as its factorization.

12493335407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784762208.

The product of its (nonzero) digits is 272160, while the sum is 41.

The spelling of 12493335407 in words is "twelve billion, four hundred ninety-three million, three hundred thirty-five thousand, four hundred seven".

Divisors: 1 7 1784762201 12493335407