Search a number
-
+
33020003021 = 432044137567
BaseRepresentation
bin11110110000001001…
…010100001011001101
310011020012221221200212
4132300021110023031
51020111110044041
623100313132205
72246160252245
oct366011241315
9104205857625
1033020003021
1113004a26aa5
1264963ba065
133162c61235
14185357ab25
15cd3d1e8eb
hex7b02542cd

33020003021 has 8 divisors (see below), whose sum is σ = 33790462464. Its totient is φ = 32249659680.

The previous prime is 33020003011. The next prime is 33020003041. The reversal of 33020003021 is 12030002033.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-33020003021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33020002987 and 33020003005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33020003011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 860180 + ... + 897746.

It is an arithmetic number, because the mean of its divisors is an integer number (4223807808).

Almost surely, 233020003021 is an apocalyptic number.

It is an amenable number.

33020003021 is a deficient number, since it is larger than the sum of its proper divisors (770459443).

33020003021 is a wasteful number, since it uses less digits than its factorization.

33020003021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58051.

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 33020003021 its reverse (12030002033), we get a palindrome (45050005054).

The spelling of 33020003021 in words is "thirty-three billion, twenty million, three thousand, twenty-one".

Divisors: 1 43 20441 37567 878963 1615381 767907047 33020003021