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26101913 is a prime number
BaseRepresentation
bin110001110010…
…0100010011001
31211010010002112
41203210202121
523140230123
62331242105
7434601605
oct143444231
954103075
1026101913
1113808832
1288a9335
13553b926
143676505
152458d78
hex18e4899

26101913 has 2 divisors, whose sum is σ = 26101914. Its totient is φ = 26101912.

The previous prime is 26101897. The next prime is 26101931. The reversal of 26101913 is 31910162.

It is a happy number.

Together with next prime (26101931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15264649 + 10837264 = 3907^2 + 3292^2 .

It is a cyclic number.

It is not a de Polignac number, because 26101913 - 24 = 26101897 is a prime.

It is not a weakly prime, because it can be changed into another prime (26101973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13050956 + 13050957.

It is an arithmetic number, because the mean of its divisors is an integer number (13050957).

Almost surely, 226101913 is an apocalyptic number.

It is an amenable number.

26101913 is a deficient number, since it is larger than the sum of its proper divisors (1).

26101913 is an equidigital number, since it uses as much as digits as its factorization.

26101913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 26101913 is about 5109.0031317274. The cubic root of 26101913 is about 296.6361750984.

The spelling of 26101913 in words is "twenty-six million, one hundred one thousand, nine hundred thirteen".