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228066570237 = 31189563137927
BaseRepresentation
bin1101010001100111010…
…0111010111111111101
3210210200100111011211210
43110121310322333331
512214040020221422
6252434454035033
722322462601252
oct3243164727775
9723610434753
10228066570237
11887a46a68a0
123824b048a79
1318677c7759c
14b07783d429
155dec48a10c
hex3519d3affd

228066570237 has 32 divisors (see below), whose sum is σ = 336058813440. Its totient is φ = 136425365120.

The previous prime is 228066570229. The next prime is 228066570241. The reversal of 228066570237 is 732075660822.

It is a happy number.

It is not a de Polignac number, because 228066570237 - 23 = 228066570229 is a prime.

It is a super-3 number, since 3×2280665702373 (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228066570937) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1584568 + ... + 1722494.

It is an arithmetic number, because the mean of its divisors is an integer number (10501837920).

Almost surely, 2228066570237 is an apocalyptic number.

It is an amenable number.

228066570237 is a deficient number, since it is larger than the sum of its proper divisors (107992243203).

228066570237 is a wasteful number, since it uses less digits than its factorization.

228066570237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138593.

The product of its (nonzero) digits is 1693440, while the sum is 48.

The spelling of 228066570237 in words is "two hundred twenty-eight billion, sixty-six million, five hundred seventy thousand, two hundred thirty-seven".

Divisors: 1 3 11 33 89 267 563 979 1689 2937 6193 18579 50107 137927 150321 413781 551177 1517197 1653531 4551591 12275503 36826509 77652901 135030533 232958703 405091599 854181911 2562545733 6911108189 20733324567 76022190079 228066570237