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12074788479 = 313309609961
BaseRepresentation
bin10110011111011011…
…01010011001111111
31011011111211210212010
423033231222121333
5144212121212404
65314100342303
7605140002645
oct131755523177
934144753763
1012074788479
1151369a3336
12240b9a4993
1311a57bba70
14827929195
154aa0e5189
hex2cfb6a67f

12074788479 has 8 divisors (see below), whose sum is σ = 17338157872. Its totient is φ = 7430639040.

The previous prime is 12074788459. The next prime is 12074788483. The reversal of 12074788479 is 97488747021.

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

It is not a de Polignac number, because 12074788479 - 28 = 12074788223 is a prime.

It is a super-2 number, since 2×120747884792 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12074788459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154804942 + ... + 154805019.

It is an arithmetic number, because the mean of its divisors is an integer number (2167269734).

Almost surely, 212074788479 is an apocalyptic number.

12074788479 is a deficient number, since it is larger than the sum of its proper divisors (5263369393).

12074788479 is a wasteful number, since it uses less digits than its factorization.

12074788479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309609977.

The product of its (nonzero) digits is 6322176, while the sum is 57.

The spelling of 12074788479 in words is "twelve billion, seventy-four million, seven hundred eighty-eight thousand, four hundred seventy-nine".

Divisors: 1 3 13 39 309609961 928829883 4024929493 12074788479