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228649092275 = 5261149933831
BaseRepresentation
bin1101010011110010001…
…1000100010010110011
3210212011221121100212002
43110330203010102303
512221233131423100
6253012343324215
722343065134242
oct3247443042263
9725157540762
10228649092275
1188a734a726a
123839215066b
131873b863996
14b0d0d56959
155e336a42d5
hex353c8c44b3

228649092275 has 12 divisors (see below), whose sum is σ = 288172825104. Its totient is φ = 179920596000.

The previous prime is 228649092229. The next prime is 228649092281. The reversal of 228649092275 is 572290946822.

It is a happy number.

It is not a de Polignac number, because 228649092275 - 236 = 159929615539 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 228649092275.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74965391 + ... + 74968440.

It is an arithmetic number, because the mean of its divisors is an integer number (24014402092).

Almost surely, 2228649092275 is an apocalyptic number.

228649092275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

228649092275 is a deficient number, since it is larger than the sum of its proper divisors (59523732829).

228649092275 is a wasteful number, since it uses less digits than its factorization.

228649092275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149933902 (or 149933897 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 228649092275 in words is "two hundred twenty-eight billion, six hundred forty-nine million, ninety-two thousand, two hundred seventy-five".

Divisors: 1 5 25 61 305 1525 149933831 749669155 3748345775 9145963691 45729818455 228649092275