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28674730268 = 2247152525161
BaseRepresentation
bin11010101101001001…
…011010100100011100
32202000101120020001222
4122231021122210130
5432211212332033
621101210552512
72033405120462
oct325511324434
982011506058
1028674730268
1111185157298
125683138738
13291c950222
14156042a832
15b2c5e6598
hex6ad25a91c

28674730268 has 12 divisors (see below), whose sum is σ = 51248454432. Its totient is φ = 14032314720.

The previous prime is 28674730237. The next prime is 28674730313. The reversal of 28674730268 is 86203747682.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 76262393 + ... + 76262768.

It is an arithmetic number, because the mean of its divisors is an integer number (4270704536).

Almost surely, 228674730268 is an apocalyptic number.

It is an amenable number.

28674730268 is a deficient number, since it is larger than the sum of its proper divisors (22573724164).

28674730268 is a wasteful number, since it uses less digits than its factorization.

28674730268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152525212 (or 152525210 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 53.

The spelling of 28674730268 in words is "twenty-eight billion, six hundred seventy-four million, seven hundred thirty thousand, two hundred sixty-eight".

Divisors: 1 2 4 47 94 188 152525161 305050322 610100644 7168682567 14337365134 28674730268