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21302022202 = 258718144823
BaseRepresentation
bin10011110101101100…
…110001000000111010
32000222120111211221021
4103311230301000322
5322111304202302
613441440133054
71352612125666
oct236554610072
960876454837
1021302022202
11904148862a
12416600718a
132016370186
1410611b18a6
1584a20a437
hex4f5b3103a

21302022202 has 8 divisors (see below), whose sum is σ = 32007469536. Its totient is φ = 10632865692.

The previous prime is 21302022169. The next prime is 21302022221. The reversal of 21302022202 is 20222020312.

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

It is a super-2 number, since 2×213020222022 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9071238 + ... + 9073585.

It is an arithmetic number, because the mean of its divisors is an integer number (4000933692).

Almost surely, 221302022202 is an apocalyptic number.

21302022202 is a deficient number, since it is larger than the sum of its proper divisors (10705447334).

21302022202 is a wasteful number, since it uses less digits than its factorization.

21302022202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18145412.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 21302022202 its reverse (20222020312), we get a palindrome (41524042514).

The spelling of 21302022202 in words is "twenty-one billion, three hundred two million, twenty-two thousand, two hundred two".

Divisors: 1 2 587 1174 18144823 36289646 10651011101 21302022202