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21230301422 = 211965013701
BaseRepresentation
bin10011110001011011…
…001011000011101110
32000210120120001112002
4103301123023003232
5321434424121142
613430355012302
71351051404341
oct236133130356
960716501462
1021230301422
119004a51760
124145b9a092
13200454b345
141055862458
15843c8ea32
hex4f16cb0ee

21230301422 has 8 divisors (see below), whose sum is σ = 34740493272. Its totient is φ = 9650137000.

The previous prime is 21230301413. The next prime is 21230301461. The reversal of 21230301422 is 22410303212.

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

It is a junction number, because it is equal to n+sod(n) for n = 21230301394 and 21230301403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 482506829 + ... + 482506872.

It is an arithmetic number, because the mean of its divisors is an integer number (4342561659).

Almost surely, 221230301422 is an apocalyptic number.

21230301422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21230301422 is a deficient number, since it is larger than the sum of its proper divisors (13510191850).

21230301422 is a wasteful number, since it uses less digits than its factorization.

21230301422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965013714.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 21230301422 its reverse (22410303212), we get a palindrome (43640604634).

The spelling of 21230301422 in words is "twenty-one billion, two hundred thirty million, three hundred one thousand, four hundred twenty-two".

Divisors: 1 2 11 22 965013701 1930027402 10615150711 21230301422