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22103000285 = 54420600057
BaseRepresentation
bin10100100101011100…
…010000010011011101
32010001101200202022012
4110211130100103131
5330231332002120
614053132001005
71411506255032
oct244534202335
963041622265
1022103000285
119412627293
12434a300165
1321132a62c2
1410d9713389
158956c71c5
hex5257104dd

22103000285 has 4 divisors (see below), whose sum is σ = 26523600348. Its totient is φ = 17682400224.

The previous prime is 22103000261. The next prime is 22103000291. The reversal of 22103000285 is 58200030122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3203899609 + 18899100676 = 56603^2 + 137474^2 .

It is a cyclic number.

It is not a de Polignac number, because 22103000285 - 26 = 22103000221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22103000285.

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, 2210300024 + ... + 2210300033.

It is an arithmetic number, because the mean of its divisors is an integer number (6630900087).

Almost surely, 222103000285 is an apocalyptic number.

It is an amenable number.

22103000285 is a deficient number, since it is larger than the sum of its proper divisors (4420600063).

22103000285 is an equidigital number, since it uses as much as digits as its factorization.

22103000285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4420600062.

The product of its (nonzero) digits is 960, while the sum is 23.

The spelling of 22103000285 in words is "twenty-two billion, one hundred three million, two hundred eighty-five", and thus it is an aban number.

Divisors: 1 5 4420600057 22103000285