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22105370747 = 61246712721
BaseRepresentation
bin10100100101100101…
…010011000001111011
32010001120011011222002
4110211211103001323
5330232433330442
614053254451215
71411535360015
oct244545230173
963046134862
1022105370747
1194139a6249
12434b063b0b
132113926245
1410d9b6d1b5
158959e4732
hex52595307b

22105370747 has 12 divisors (see below), whose sum is σ = 22523588568. Its totient is φ = 21694723200.

The previous prime is 22105370737. The next prime is 22105370753. The reversal of 22105370747 is 74707350122.

It is not a de Polignac number, because 22105370747 - 24 = 22105370731 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 22105370747.

It is not an unprimeable number, because it can be changed into a prime (22105370737) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1731347 + ... + 1744067.

It is an arithmetic number, because the mean of its divisors is an integer number (1876965714).

Almost surely, 222105370747 is an apocalyptic number.

22105370747 is a deficient number, since it is larger than the sum of its proper divisors (418217821).

22105370747 is an equidigital number, since it uses as much as digits as its factorization.

22105370747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13310 (or 13249 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 38.

The spelling of 22105370747 in words is "twenty-two billion, one hundred five million, three hundred seventy thousand, seven hundred forty-seven".

Divisors: 1 61 467 3721 12721 28487 775981 1737707 5940707 47334841 362383127 22105370747