Search a number
-
+
33772050331 = 145283232457
BaseRepresentation
bin11111011100111110…
…001001011110011011
310020011122001220122221
4133130332021132123
51023131121102311
623303100124511
72303621456065
oct373476113633
9106148056587
1033772050331
11133604952a8
126666236737
1332529c4846
1418c53c2735
15d29d73671
hex7dcf8979b

33772050331 has 4 divisors (see below), whose sum is σ = 33772428072. Its totient is φ = 33771672592.

The previous prime is 33772050313. The next prime is 33772050353. The reversal of 33772050331 is 13305027733.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 13305027733 = 31429194443.

It is a cyclic number.

It is not a de Polignac number, because 33772050331 - 27 = 33772050203 is a prime.

It is a super-2 number, since 2×337720503312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33772050031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29055 + ... + 261511.

It is an arithmetic number, because the mean of its divisors is an integer number (8443107018).

Almost surely, 233772050331 is an apocalyptic number.

33772050331 is a deficient number, since it is larger than the sum of its proper divisors (377741).

33772050331 is a wasteful number, since it uses less digits than its factorization.

33772050331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377740.

The product of its (nonzero) digits is 39690, while the sum is 34.

The spelling of 33772050331 in words is "thirty-three billion, seven hundred seventy-two million, fifty thousand, three hundred thirty-one".

Divisors: 1 145283 232457 33772050331