Search a number
-
+
33530034121 = 138731241691
BaseRepresentation
bin11111001110100010…
…111011011111001001
310012112202200012211121
4133032202323133021
51022132142042441
623223052555241
72264622405343
oct371642733711
9105482605747
1033530034121
1113246914a01
1265b9182b21
13321481909c
1418a11c4293
15d139b9dd1
hex7ce8bb7c9

33530034121 has 4 divisors (see below), whose sum is σ = 33530414544. Its totient is φ = 33529653700.

The previous prime is 33530034119. The next prime is 33530034137. The reversal of 33530034121 is 12143003533.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 33530034121 - 21 = 33530034119 is a prime.

It is a super-2 number, since 2×335300341212 (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 (33530034721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17886 + ... + 259576.

It is an arithmetic number, because the mean of its divisors is an integer number (8382603636).

Almost surely, 233530034121 is an apocalyptic number.

It is an amenable number.

33530034121 is a deficient number, since it is larger than the sum of its proper divisors (380423).

33530034121 is a wasteful number, since it uses less digits than its factorization.

33530034121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380422.

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 33530034121 its reverse (12143003533), we get a palindrome (45673037654).

The spelling of 33530034121 in words is "thirty-three billion, five hundred thirty million, thirty-four thousand, one hundred twenty-one".

Divisors: 1 138731 241691 33530034121