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2683137613 = 13206395201
BaseRepresentation
bin1001111111101101…
…0110111001001101
320220222210111212011
42133323112321031
520443340400423
61122124541221
7123330202432
oct23773267115
96828714764
102683137613
11115761a002
1262a6b1811
13339b614c0
141b64c3b89
1510a853b0d
hex9fed6e4d

2683137613 has 4 divisors (see below), whose sum is σ = 2889532828. Its totient is φ = 2476742400.

The previous prime is 2683137599. The next prime is 2683137617. The reversal of 2683137613 is 3167313862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3167313862 = 21583656931.

It can be written as a sum of positive squares in 2 ways, for example, as 576144009 + 2106993604 = 24003^2 + 45902^2 .

It is a cyclic number.

It is not a de Polignac number, because 2683137613 - 25 = 2683137581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2683137617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103197588 + ... + 103197613.

It is an arithmetic number, because the mean of its divisors is an integer number (722383207).

Almost surely, 22683137613 is an apocalyptic number.

It is an amenable number.

2683137613 is a deficient number, since it is larger than the sum of its proper divisors (206395215).

2683137613 is a wasteful number, since it uses less digits than its factorization.

2683137613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206395214.

The product of its digits is 108864, while the sum is 40.

The square root of 2683137613 is about 51799.0116990662. The cubic root of 2683137613 is about 1389.5717696425.

The spelling of 2683137613 in words is "two billion, six hundred eighty-three million, one hundred thirty-seven thousand, six hundred thirteen".

Divisors: 1 13 206395201 2683137613