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22551275093 = 44950225557
BaseRepresentation
bin10101000000001010…
…010010011001010101
32011012122012110201212
4111000022102121111
5332141111300333
614205424031205
71425561450464
oct250012223125
964178173655
1022551275093
119622674836
124454462505
13218511a979
14113d0829db
158bec24448
hex540292655

22551275093 has 4 divisors (see below), whose sum is σ = 22601501100. Its totient is φ = 22501049088.

The previous prime is 22551275069. The next prime is 22551275107. The reversal of 22551275093 is 39057215522.

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 19849146769 + 2702128324 = 140887^2 + 51982^2 .

It is a cyclic number.

It is not a de Polignac number, because 22551275093 - 26 = 22551275029 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22551275093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22551275053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25112330 + ... + 25113227.

It is an arithmetic number, because the mean of its divisors is an integer number (5650375275).

Almost surely, 222551275093 is an apocalyptic number.

It is an amenable number.

22551275093 is a deficient number, since it is larger than the sum of its proper divisors (50226007).

22551275093 is an equidigital number, since it uses as much as digits as its factorization.

22551275093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50226006.

The product of its (nonzero) digits is 189000, while the sum is 41.

The spelling of 22551275093 in words is "twenty-two billion, five hundred fifty-one million, two hundred seventy-five thousand, ninety-three".

Divisors: 1 449 50225557 22551275093