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12224557106985 = 352980873475013
BaseRepresentation
bin1011000111100100000001…
…1000100100011100101001
31121021122201101220002002210
42301321000120210130221
53100241343104410420
641555514540115333
72401123630641426
oct261710030443451
947248641802083
1012224557106985
11399345087aa43
12145524b535b49
136a8a035663a2
143039592b8d4d
15162ec722e9e0
hexb1e40624729

12224557106985 has 32 divisors (see below), whose sum is σ = 20236257527040. Its totient is φ = 6294164135168.

The previous prime is 12224557106831. The next prime is 12224557107029. The reversal of 12224557106985 is 58960175542221.

It is not a de Polignac number, because 12224557106985 - 29 = 12224557106473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1780339 + ... + 5255351.

It is an arithmetic number, because the mean of its divisors is an integer number (632383047720).

Almost surely, 212224557106985 is an apocalyptic number.

12224557106985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12224557106985 is a deficient number, since it is larger than the sum of its proper divisors (8011700420055).

12224557106985 is a wasteful number, since it uses less digits than its factorization.

12224557106985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3483137.

The product of its (nonzero) digits is 12096000, while the sum is 57.

The spelling of 12224557106985 in words is "twelve trillion, two hundred twenty-four billion, five hundred fifty-seven million, one hundred six thousand, nine hundred eighty-five".

Divisors: 1 3 5 15 29 87 145 435 8087 24261 40435 121305 234523 703569 1172615 3475013 3517845 10425039 17375065 52125195 100775377 302326131 503876885 1511630655 28102430131 84307290393 140512150655 421536451965 814970473799 2444911421397 4074852368995 12224557106985