Search a number
-
+
26286800990 = 253211781847
BaseRepresentation
bin11000011110110100…
…001100000001011110
32111211222020211220212
4120132310030001132
5412313410112430
620024225212422
71620261056522
oct303664140136
974758224825
1026286800990
111016a23971a
125117491112
13262bccc818
1413b522dd82
15a3cb56b95
hex61ed0c05e

26286800990 has 16 divisors (see below), whose sum is σ = 47318293152. Its totient is φ = 10514264544.

The previous prime is 26286800989. The next prime is 26286801001. The reversal of 26286800990 is 9900868262.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280247 + ... + 362093.

It is an arithmetic number, because the mean of its divisors is an integer number (2957393322).

Almost surely, 226286800990 is an apocalyptic number.

26286800990 is a deficient number, since it is larger than the sum of its proper divisors (21031492162).

26286800990 is a wasteful number, since it uses less digits than its factorization.

26286800990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113971.

The product of its (nonzero) digits is 746496, while the sum is 50.

The spelling of 26286800990 in words is "twenty-six billion, two hundred eighty-six million, eight hundred thousand, nine hundred ninety".

Divisors: 1 2 5 10 32117 64234 81847 160585 163694 321170 409235 818470 2628680099 5257360198 13143400495 26286800990