Search a number
-
+
26895002089 = 47572234087
BaseRepresentation
bin11001000011000100…
…010010100111101001
32120102100200122222111
4121003010102213221
5420040110031324
620204433122321
71641324513544
oct310304224751
976370618874
1026895002089
111045158915a
1252670b93a1
1326c800a227
141431d0d85b
15a76244794
hex6431129e9

26895002089 has 4 divisors (see below), whose sum is σ = 27467236224. Its totient is φ = 26322767956.

The previous prime is 26895002083. The next prime is 26895002129. The reversal of 26895002089 is 98020059862.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98020059862 = 249010029931.

It is a cyclic number.

It is not a de Polignac number, because 26895002089 - 221 = 26892904937 is a prime.

It is a super-3 number, since 3×268950020893 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26895002083) 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, 286116997 + ... + 286117090.

It is an arithmetic number, because the mean of its divisors is an integer number (6866809056).

Almost surely, 226895002089 is an apocalyptic number.

It is an amenable number.

26895002089 is a deficient number, since it is larger than the sum of its proper divisors (572234135).

26895002089 is an equidigital number, since it uses as much as digits as its factorization.

26895002089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572234134.

The product of its (nonzero) digits is 622080, while the sum is 49.

The spelling of 26895002089 in words is "twenty-six billion, eight hundred ninety-five million, two thousand, eighty-nine".

Divisors: 1 47 572234087 26895002089