Search a number
-
+
26235133031 = 179146564989
BaseRepresentation
bin11000011011101111…
…000101110001100111
32111201101000211210202
4120123233011301213
5412212143224111
620015141541115
71616062644212
oct303357056147
974641024722
1026235133031
1110143059828
12510211479b
1326213ac173
1413ac420779
15a3834cb3b
hex61bbc5c67

26235133031 has 4 divisors (see below), whose sum is σ = 26381698200. Its totient is φ = 26088567864.

The previous prime is 26235133027. The next prime is 26235133037. The reversal of 26235133031 is 13033153262.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26235133031 - 22 = 26235133027 is a prime.

It is a super-2 number, since 2×262351330312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26235132985 and 26235133003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26235133037) 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, 73282316 + ... + 73282673.

It is an arithmetic number, because the mean of its divisors is an integer number (6595424550).

Almost surely, 226235133031 is an apocalyptic number.

26235133031 is a deficient number, since it is larger than the sum of its proper divisors (146565169).

26235133031 is a wasteful number, since it uses less digits than its factorization.

26235133031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146565168.

The product of its (nonzero) digits is 9720, while the sum is 29.

Adding to 26235133031 its reverse (13033153262), we get a palindrome (39268286293).

The spelling of 26235133031 in words is "twenty-six billion, two hundred thirty-five million, one hundred thirty-three thousand, thirty-one".

Divisors: 1 179 146564989 26235133031