Search a number
-
+
27806260254 = 2330713150893
BaseRepresentation
bin11001111001011000…
…011101110000011110
32122202212101101011220
4121321120131300132
5423421400312004
620435104354210
72003031212103
oct317130356036
978685341156
1027806260254
11108799aa983
125480315966
132811a46046
1414bad5aaaa
15acb246dd9
hex67961dc1e

27806260254 has 16 divisors (see below), whose sum is σ = 55614699792. Its totient is φ = 9268390208.

The previous prime is 27806260253. The next prime is 27806260259. The reversal of 27806260254 is 45206260872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27806260253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108832 + ... + 259724.

It is an arithmetic number, because the mean of its divisors is an integer number (3475918737).

Almost surely, 227806260254 is an apocalyptic number.

27806260254 is an abundant number, since it is smaller than the sum of its proper divisors (27808439538).

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

27806260254 is a wasteful number, since it uses less digits than its factorization.

27806260254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181611.

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 27806260254 in words is "twenty-seven billion, eight hundred six million, two hundred sixty thousand, two hundred fifty-four".

Divisors: 1 2 3 6 30713 61426 92139 150893 184278 301786 452679 905358 4634376709 9268753418 13903130127 27806260254