Search a number
-
+
137306184842 = 268653092421
BaseRepresentation
bin111111111100000010…
…1100001110010001010
3111010102002210220001102
41333320011201302022
54222200340403332
6143024432021402
712630401212541
oct1777005416212
9433362726042
10137306184842
115325a841a22
122273b691862
13cc42762728
146907969158
1538894ae062
hex1ff8161c8a

137306184842 has 4 divisors (see below), whose sum is σ = 205959277266. Its totient is φ = 68653092420.

The previous prime is 137306184823. The next prime is 137306184949. The reversal of 137306184842 is 248481603731.

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

It can be written as a sum of positive squares in only one way, i.e., 131276507041 + 6029677801 = 362321^2 + 77651^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 34326546209 + ... + 34326546212.

Almost surely, 2137306184842 is an apocalyptic number.

137306184842 is a deficient number, since it is larger than the sum of its proper divisors (68653092424).

137306184842 is an equidigital number, since it uses as much as digits as its factorization.

137306184842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68653092423.

The product of its (nonzero) digits is 774144, while the sum is 47.

The spelling of 137306184842 in words is "one hundred thirty-seven billion, three hundred six million, one hundred eighty-four thousand, eight hundred forty-two".

Divisors: 1 2 68653092421 137306184842