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21302022302 = 211968273741
BaseRepresentation
bin10011110101101100…
…110001000010011110
32000222120111212001222
4103311230301002132
5322111304203202
613441440133342
71352612126201
oct236554610236
960876455058
1021302022302
119041488710
124166007252
132016370232
1410611b1938
1584a20a4a2
hex4f5b3109e

21302022302 has 8 divisors (see below), whose sum is σ = 34857854712. Its totient is φ = 9682737400.

The previous prime is 21302022289. The next prime is 21302022319. The reversal of 21302022302 is 20322020312.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 484136849 + ... + 484136892.

It is an arithmetic number, because the mean of its divisors is an integer number (4357231839).

Almost surely, 221302022302 is an apocalyptic number.

21302022302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21302022302 is a deficient number, since it is larger than the sum of its proper divisors (13555832410).

21302022302 is a wasteful number, since it uses less digits than its factorization.

21302022302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968273754.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 21302022302 its reverse (20322020312), we get a palindrome (41624042614).

The spelling of 21302022302 in words is "twenty-one billion, three hundred two million, twenty-two thousand, three hundred two".

Divisors: 1 2 11 22 968273741 1936547482 10651011151 21302022302