Search a number
-
+
31774613282242 = 2143324593450809
BaseRepresentation
bin1110011100110000110101…
…00010011001110111000010
311011111121211102200001002221
413032120122202121313002
513131043402000012432
6151325020020401254
76456432352403665
oct716303242316702
9134447742601087
1031774613282242
11a1405a0920966
12369217184622a
131496443caa16c
147bbc842a76dc
153a17e5c21b97
hex1ce61a899dc2

31774613282242 has 16 divisors (see below), whose sum is σ = 47697225344280. Its totient is φ = 15875539121152.

The previous prime is 31774613282213. The next prime is 31774613282281. The reversal of 31774613282242 is 24228231647713.

It can be written as a sum of positive squares in 4 ways, for example, as 27797663977801 + 3976949304441 = 5272349^2 + 1994229^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31774613282242.

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, 70258134 + ... + 70708942.

Almost surely, 231774613282242 is an apocalyptic number.

31774613282242 is a deficient number, since it is larger than the sum of its proper divisors (15922612062038).

31774613282242 is a wasteful number, since it uses less digits than its factorization.

31774613282242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476837.

The product of its digits is 5419008, while the sum is 52.

The spelling of 31774613282242 in words is "thirty-one trillion, seven hundred seventy-four billion, six hundred thirteen million, two hundred eighty-two thousand, two hundred forty-two".

Divisors: 1 2 1433 2866 24593 49186 450809 901618 35241769 70483538 646009297 1292018594 11086745737 22173491474 15887306641121 31774613282242