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12774200257 = 713349402223
BaseRepresentation
bin10111110010110011…
…01101001111000001
31012222020220121110001
423321121231033001
5202130143402012
65511323240001
7631361624230
oct137131551701
935866817401
1012774200257
1154657807a5
122586079001
1312876834a0
1489278cb17
154eb6ed357
hex2f966d3c1

12774200257 has 16 divisors (see below), whose sum is σ = 15767180800. Its totient is φ = 10078074432.

The previous prime is 12774200237. The next prime is 12774200269. The reversal of 12774200257 is 75200247721.

It is a cyclic number.

It is not a de Polignac number, because 12774200257 - 211 = 12774198209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12774200237) 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 15 ways as a sum of consecutive naturals, for example, 169353 + ... + 232870.

It is an arithmetic number, because the mean of its divisors is an integer number (985448800).

Almost surely, 212774200257 is an apocalyptic number.

It is an amenable number.

12774200257 is a deficient number, since it is larger than the sum of its proper divisors (2992980543).

12774200257 is a wasteful number, since it uses less digits than its factorization.

12774200257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402592.

The product of its (nonzero) digits is 54880, while the sum is 37.

Adding to 12774200257 its reverse (75200247721), we get a palindrome (87974447978).

The spelling of 12774200257 in words is "twelve billion, seven hundred seventy-four million, two hundred thousand, two hundred fifty-seven".

Divisors: 1 7 13 91 349 2443 4537 31759 402223 2815561 5228899 36602293 140375827 982630789 1824885751 12774200257