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22051521045 = 3256117944879
BaseRepresentation
bin10100100010010111…
…111000001000010101
32002220210211100001200
4110202113320020111
5330130142133140
614044052343113
71410312556551
oct244227701025
962823740050
1022051521045
119396566164
124335014a99
132105720808
1410d2952861
15890e09030
hex5225f8215

22051521045 has 48 divisors (see below), whose sum is σ = 39067142400. Its totient is φ = 11503128960.

The previous prime is 22051521043. The next prime is 22051521047. The reversal of 22051521045 is 54012515022.

It is an interprime number because it is at equal distance from previous prime (22051521043) and next prime (22051521047).

It is not a de Polignac number, because 22051521045 - 21 = 22051521043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22051521043) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 468916 + ... + 513794.

It is an arithmetic number, because the mean of its divisors is an integer number (813898800).

Almost surely, 222051521045 is an apocalyptic number.

It is an amenable number.

22051521045 is a deficient number, since it is larger than the sum of its proper divisors (17015621355).

22051521045 is a wasteful number, since it uses less digits than its factorization.

22051521045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45130 (or 45127 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The spelling of 22051521045 in words is "twenty-two billion, fifty-one million, five hundred twenty-one thousand, forty-five".

Divisors: 1 3 5 9 15 45 61 179 183 305 537 549 895 915 1611 2685 2745 8055 10919 32757 44879 54595 98271 134637 163785 224395 403911 491355 673185 2019555 2737619 8033341 8212857 13688095 24100023 24638571 40166705 41064285 72300069 120500115 123192855 361500345 490033801 1470101403 2450169005 4410304209 7350507015 22051521045