Search a number
-
+
26393027850 = 23452717232381
BaseRepresentation
bin11000100101001001…
…011010010100001010
32112010101010201210000
4120211021122110022
5413023103342400
620042542103430
71623021015030
oct304511322412
975111121700
1026393027850
11102141a3512
125146b7ab76
132648013657
1413c53a2550
15a4713b600
hex62525a50a

26393027850 has 480 divisors, whose sum is σ = 92636856576. Its totient is φ = 5428684800.

The previous prime is 26393027779. The next prime is 26393027891. The reversal of 26393027850 is 5872039362.

26393027850 is a `hidden beast` number, since 2 + 639 + 3 + 0 + 2 + 7 + 8 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 26393027796 and 26393027805.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 11083660 + ... + 11086040.

Almost surely, 226393027850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26393027850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46318428288).

26393027850 is an abundant number, since it is smaller than the sum of its proper divisors (66243828726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26393027850 is a wasteful number, since it uses less digits than its factorization.

26393027850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2452 (or 2438 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 26393027850 in words is "twenty-six billion, three hundred ninety-three million, twenty-seven thousand, eight hundred fifty".