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22075031305 = 59374711853
BaseRepresentation
bin10100100011110001…
…100011111100001001
32002222110001210002001
4110203301203330021
5330202202000210
614050252311001
71411016445565
oct244361437411
962873053061
1022075031305
1193a8863828
124340a72461
13210a562902
1410d5b126a5
1589300003a
hex523c63f09

22075031305 has 8 divisors (see below), whose sum is σ = 26518314312. Its totient is φ = 17641173888.

The previous prime is 22075031249. The next prime is 22075031311. The reversal of 22075031305 is 50313057022.

It can be written as a sum of positive squares in 4 ways, for example, as 692110864 + 21382920441 = 26308^2 + 146229^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22075031305 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 2351242 + ... + 2360611.

It is an arithmetic number, because the mean of its divisors is an integer number (3314789289).

Almost surely, 222075031305 is an apocalyptic number.

It is an amenable number.

22075031305 is a deficient number, since it is larger than the sum of its proper divisors (4443283007).

22075031305 is an equidigital number, since it uses as much as digits as its factorization.

22075031305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4712795.

The product of its (nonzero) digits is 6300, while the sum is 28.

Adding to 22075031305 its reverse (50313057022), we get a palindrome (72388088327).

The spelling of 22075031305 in words is "twenty-two billion, seventy-five million, thirty-one thousand, three hundred five".

Divisors: 1 5 937 4685 4711853 23559265 4415006261 22075031305