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228613766271 = 31171149654853
BaseRepresentation
bin1101010011101001110…
…0010011110001111111
3210212002111010121200120
43110322130103301333
512221200111010041
6253005042230023
722342155644052
oct3247234236177
9725074117616
10228613766271
1188a55569320
1238382355313
1318734445717
14b0ca39ca99
155e30527366
hex353a713c7f

228613766271 has 32 divisors (see below), whose sum is σ = 339476313600. Its totient is φ = 135685334400.

The previous prime is 228613766263. The next prime is 228613766281. The reversal of 228613766271 is 172667316822.

It is a happy number.

It is not a de Polignac number, because 228613766271 - 23 = 228613766263 is a prime.

It is a super-2 number, since 2×2286137662712 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228613766201) 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 in 31 ways as a sum of consecutive naturals, for example, 21681 + ... + 676533.

It is an arithmetic number, because the mean of its divisors is an integer number (10608634800).

Almost surely, 2228613766271 is an apocalyptic number.

228613766271 is a deficient number, since it is larger than the sum of its proper divisors (110862547329).

228613766271 is a wasteful number, since it uses less digits than its factorization.

228613766271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655087.

The product of its digits is 2032128, while the sum is 51.

The spelling of 228613766271 in words is "two hundred twenty-eight billion, six hundred thirteen million, seven hundred sixty-six thousand, two hundred seventy-one".

Divisors: 1 3 11 33 71 149 213 447 781 1639 2343 4917 10579 31737 116369 349107 654853 1964559 7203383 21610149 46494563 97573097 139483689 292719291 511440193 1073304067 1534320579 3219912201 6927689887 20783069661 76204588757 228613766271