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12798045619 = 151345724517
BaseRepresentation
bin10111110101101001…
…01010110110110011
31020000220210002010121
423322310222312303
5202202244424434
65513534311111
7632101410232
oct137264526663
936026702117
1012798045619
115478188107
122592058497
13128c5b1c78
148959d8b19
154ed85d7b4
hex2fad2adb3

12798045619 has 8 divisors (see below), whose sum is σ = 12887053088. Its totient is φ = 12709094400.

The previous prime is 12798045607. The next prime is 12798045649. The reversal of 12798045619 is 91654089721.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12798045619 is a prime.

It is a super-2 number, since 2×127980456192 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12798045649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509749 + ... + 534265.

It is an arithmetic number, because the mean of its divisors is an integer number (1610881636).

Almost surely, 212798045619 is an apocalyptic number.

12798045619 is a deficient number, since it is larger than the sum of its proper divisors (89007469).

12798045619 is a wasteful number, since it uses less digits than its factorization.

12798045619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28125.

The product of its (nonzero) digits is 1088640, while the sum is 52.

The spelling of 12798045619 in words is "twelve billion, seven hundred ninety-eight million, forty-five thousand, six hundred nineteen".

Divisors: 1 151 3457 24517 522007 3702067 84755269 12798045619