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22083257481 = 310197223833
BaseRepresentation
bin10100100100010000…
…111100010010001001
32010000000112201021020
4110210100330102021
5330211303214411
614051144503053
71411146406605
oct244420742211
963000481236
1022083257481
11940247221a
12434377aa89
13210c182c7c
1410d6c54505
15893ac7606
hex52443c489

22083257481 has 8 divisors (see below), whose sum is σ = 29473242720. Its totient is φ = 14707721952.

The previous prime is 22083257479. The next prime is 22083257503. The reversal of 22083257481 is 18475238022.

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

It is not a de Polignac number, because 22083257481 - 21 = 22083257479 is a prime.

It is a super-2 number, since 2×220832574812 (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (22083257401) 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 7 ways as a sum of consecutive naturals, for example, 3608860 + ... + 3614973.

It is an arithmetic number, because the mean of its divisors is an integer number (3684155340).

Almost surely, 222083257481 is an apocalyptic number.

It is an amenable number.

22083257481 is a deficient number, since it is larger than the sum of its proper divisors (7389985239).

22083257481 is a wasteful number, since it uses less digits than its factorization.

22083257481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7224855.

The product of its (nonzero) digits is 215040, while the sum is 42.

The spelling of 22083257481 in words is "twenty-two billion, eighty-three million, two hundred fifty-seven thousand, four hundred eighty-one".

Divisors: 1 3 1019 3057 7223833 21671499 7361085827 22083257481