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21022132033 = 74481670199
BaseRepresentation
bin10011100101000001…
…000100011101000001
32000021001211221210201
4103211001010131001
5321023131211113
613354001125201
71342643113450
oct234501043501
960231757721
1021022132033
118a08499a41
1240a8329801
131ca03937a6
141035d54b97
1583086ecdd
hex4e5044741

21022132033 has 8 divisors (see below), whose sum is σ = 24030691200. Its totient is φ = 18014922240.

The previous prime is 21022132031. The next prime is 21022132037. The reversal of 21022132033 is 33023122012.

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

It is not a de Polignac number, because 21022132033 - 21 = 21022132031 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 21022132033.

It is not an unprimeable number, because it can be changed into a prime (21022132031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303733 + ... + 366466.

It is an arithmetic number, because the mean of its divisors is an integer number (3003836400).

Almost surely, 221022132033 is an apocalyptic number.

It is an amenable number.

21022132033 is a deficient number, since it is larger than the sum of its proper divisors (3008559167).

21022132033 is an equidigital number, since it uses as much as digits as its factorization.

21022132033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674687.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 21022132033 its reverse (33023122012), we get a palindrome (54045254045).

The spelling of 21022132033 in words is "twenty-one billion, twenty-two million, one hundred thirty-two thousand, thirty-three".

Divisors: 1 7 4481 31367 670199 4691393 3003161719 21022132033