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21022141343 = 723753126433
BaseRepresentation
bin10011100101000001…
…000110101110011111
32000021001212102120112
4103211001012232133
5321023132010333
613354001240235
71342643152550
oct234501065637
960231772515
1021022141343
118a084a5a35
1240a833307b
131ca0397ab8
141035d58327
15830872948
hex4e5046b9f

21022141343 has 8 divisors (see below), whose sum is σ = 24026505888. Its totient is φ = 18018077184.

The previous prime is 21022141279. The next prime is 21022141351. The reversal of 21022141343 is 34314122012.

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

It is a cyclic number.

It is not a de Polignac number, because 21022141343 - 26 = 21022141279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21022141363) 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, 103055 + ... + 229487.

It is an arithmetic number, because the mean of its divisors is an integer number (3003313236).

Almost surely, 221022141343 is an apocalyptic number.

21022141343 is a deficient number, since it is larger than the sum of its proper divisors (3004364545).

21022141343 is a wasteful number, since it uses less digits than its factorization.

21022141343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150193.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 21022141343 its reverse (34314122012), we get a palindrome (55336263355).

The spelling of 21022141343 in words is "twenty-one billion, twenty-two million, one hundred forty-one thousand, three hundred forty-three".

Divisors: 1 7 23753 126433 166271 885031 3003163049 21022141343