Search a number
-
+
26251113313 = 3710112015849
BaseRepresentation
bin11000011100101100…
…000011001101100001
32111202111002201122001
4120130230003031201
5412230241111223
620020512244001
71616345532025
oct303454031541
974674081561
1026251113313
1110151083a77
125107540601
1326247b5a59
1413b05c0385
15a399579ad
hex61cb03361

26251113313 has 16 divisors (see below), whose sum is σ = 27254869200. Its totient is φ = 25263360000.

The previous prime is 26251113307. The next prime is 26251113341. The reversal of 26251113313 is 31331115262.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 112954384 + 26138158929 = 10628^2 + 161673^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-26251113313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26251110313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4485213 + ... + 4491061.

It is an arithmetic number, because the mean of its divisors is an integer number (1703429325).

Almost surely, 226251113313 is an apocalyptic number.

It is an amenable number.

26251113313 is a deficient number, since it is larger than the sum of its proper divisors (1003755887).

26251113313 is a wasteful number, since it uses less digits than its factorization.

26251113313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7188.

The product of its digits is 3240, while the sum is 28.

Adding to 26251113313 its reverse (31331115262), we get a palindrome (57582228575).

The spelling of 26251113313 in words is "twenty-six billion, two hundred fifty-one million, one hundred thirteen thousand, three hundred thirteen".

Divisors: 1 37 101 1201 3737 5849 44437 121301 216413 590749 4488137 7024649 21857713 259912013 709489549 26251113313