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13912515002789 = 132233579242347
BaseRepresentation
bin1100101001110100001010…
…0000111100000110100101
31211021000122002110121212122
43022131002200330012211
53310420312320042124
645331153211555325
72634101043216464
oct312350240740645
954230562417778
1013912515002789
1144842a00253a7
12168840915bb45
1379bc381b4b00
143615255a89db
15191d6a76275e
hexca74283c1a5

13912515002789 has 12 divisors (see below), whose sum is σ = 15720032392416. Its totient is φ = 12283959731472.

The previous prime is 13912515002777. The next prime is 13912515002797. The reversal of 13912515002789 is 98720051521931.

It is not a de Polignac number, because 13912515002789 - 216 = 13912514937253 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13912515002789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13912515502789) 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 11 ways as a sum of consecutive naturals, for example, 1789617287 + ... + 1789625060.

It is an arithmetic number, because the mean of its divisors is an integer number (1310002699368).

Almost surely, 213912515002789 is an apocalyptic number.

It is an amenable number.

13912515002789 is a deficient number, since it is larger than the sum of its proper divisors (1807517389627).

13912515002789 is a wasteful number, since it uses less digits than its factorization.

13912515002789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3579242396 (or 3579242383 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 53.

The spelling of 13912515002789 in words is "thirteen trillion, nine hundred twelve billion, five hundred fifteen million, two thousand, seven hundred eighty-nine".

Divisors: 1 13 23 169 299 3887 3579242347 46530150511 82322573981 604891956643 1070193461753 13912515002789