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28264224982 = 272349826391
BaseRepresentation
bin11010010100101011…
…011101100011010110
32200221210010101200111
4122110223131203112
5430341120144412
620552344233234
72020261643200
oct322453354326
980853111614
1028264224982
1110a94466624
12558976b81a
1328858a10a6
141521acd770
15b0655a2a7
hex694add8d6

28264224982 has 24 divisors (see below), whose sum is σ = 49459561200. Its totient is φ = 12078516240.

The previous prime is 28264224977. The next prime is 28264224997. The reversal of 28264224982 is 28942246282.

It is a super-2 number, since 2×282642249822 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 378994 + ... + 447397.

It is an arithmetic number, because the mean of its divisors is an integer number (2060815050).

Almost surely, 228264224982 is an apocalyptic number.

28264224982 is a deficient number, since it is larger than the sum of its proper divisors (21195336218).

28264224982 is a wasteful number, since it uses less digits than its factorization.

28264224982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826756 (or 826749 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 49.

The spelling of 28264224982 in words is "twenty-eight billion, two hundred sixty-four million, two hundred twenty-four thousand, nine hundred eighty-two".

Divisors: 1 2 7 14 49 98 349 698 2443 4886 17101 34202 826391 1652782 5784737 11569474 40493159 80986318 288410459 576820918 2018873213 4037746426 14132112491 28264224982