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228312452147 = 13103170509673
BaseRepresentation
bin1101010010100001111…
…0111000110000110011
3210211022111011021102012
43110220132320300303
512220040441432042
6252515120113135
722331536552163
oct3245036706063
9724274137365
10228312452147
118891047758a
12382b94657ab
13186b6ba7740
14b09c3665a3
155e13d58e82
hex35287b8c33

228312452147 has 8 divisors (see below), whose sum is σ = 248262085344. Its totient is φ = 208703838528.

The previous prime is 228312452143. The next prime is 228312452183. The reversal of 228312452147 is 741254213822.

228312452147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 228312452147 - 22 = 228312452143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228312452143) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 85253498 + ... + 85256175.

It is an arithmetic number, because the mean of its divisors is an integer number (31032760668).

Almost surely, 2228312452147 is an apocalyptic number.

228312452147 is a deficient number, since it is larger than the sum of its proper divisors (19949633197).

228312452147 is a wasteful number, since it uses less digits than its factorization.

228312452147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170509789.

The product of its digits is 215040, while the sum is 41.

Adding to 228312452147 its reverse (741254213822), we get a palindrome (969566665969).

The spelling of 228312452147 in words is "two hundred twenty-eight billion, three hundred twelve million, four hundred fifty-two thousand, one hundred forty-seven".

Divisors: 1 13 103 1339 170509673 2216625749 17562496319 228312452147