Search a number
-
+
33022021121 = 283116685587
BaseRepresentation
bin11110110000010001…
…000000111000000001
310011020100202111000022
4132300101000320001
51020112114133441
623100424303225
72246213356025
oct366021007001
9104210674008
1033022021121
1113006085251
126497011b15
1331634b998b
141853944385
15cd40bc84b
hex7b0440e01

33022021121 has 4 divisors (see below), whose sum is σ = 33138706992. Its totient is φ = 32905335252.

The previous prime is 33022021111. The next prime is 33022021157. The reversal of 33022021121 is 12112022033.

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 an emirpimes, since its reverse is a distinct semiprime: 12112022033 = 43281674931.

It is a cyclic number.

It is not a de Polignac number, because 33022021121 - 26 = 33022021057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33022021121.

It is not an unprimeable number, because it can be changed into a prime (33022021111) 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, 58342511 + ... + 58343076.

It is an arithmetic number, because the mean of its divisors is an integer number (8284676748).

Almost surely, 233022021121 is an apocalyptic number.

It is an amenable number.

33022021121 is a deficient number, since it is larger than the sum of its proper divisors (116685871).

33022021121 is a wasteful number, since it uses less digits than its factorization.

33022021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116685870.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 33022021121 its reverse (12112022033), we get a palindrome (45134043154).

The spelling of 33022021121 in words is "thirty-three billion, twenty-two million, twenty-one thousand, one hundred twenty-one".

Divisors: 1 283 116685587 33022021121