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228551287253 is a prime number
BaseRepresentation
bin1101010011011010110…
…1111110000111010101
3210211221010120100120212
43110312231332013111
512221033112143003
6252554531135205
722340466613352
oct3246655760725
9724833510525
10228551287253
1188a23274973
1238365444505
131872450b2a3
14b0c1d77629
155e29cd4dd8
hex3536b7e1d5

228551287253 has 2 divisors, whose sum is σ = 228551287254. Its totient is φ = 228551287252.

The previous prime is 228551287243. The next prime is 228551287277. The reversal of 228551287253 is 352782155822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141347425444 + 87203861809 = 375962^2 + 295303^2 .

It is a cyclic number.

It is not a de Polignac number, because 228551287253 - 214 = 228551270869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228551287213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114275643626 + 114275643627.

It is an arithmetic number, because the mean of its divisors is an integer number (114275643627).

Almost surely, 2228551287253 is an apocalyptic number.

It is an amenable number.

228551287253 is a deficient number, since it is larger than the sum of its proper divisors (1).

228551287253 is an equidigital number, since it uses as much as digits as its factorization.

228551287253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688000, while the sum is 50.

The spelling of 228551287253 in words is "two hundred twenty-eight billion, five hundred fifty-one million, two hundred eighty-seven thousand, two hundred fifty-three".