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228134553808 = 2472970238471
BaseRepresentation
bin1101010001110111100…
…0010000100011010000
3210210212002102002202211
43110131320100203100
512214204421210213
6252445323121504
722324246466140
oct3243570204320
9723762362684
10228134553808
118882a00a967
1238269973294
131868908b355
14b082898920
155e0341853d
hex351de108d0

228134553808 has 40 divisors (see below), whose sum is σ = 522574231680. Its totient is φ = 94400503680.

The previous prime is 228134553781. The next prime is 228134553817. The reversal of 228134553808 is 808355431822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35115988 + ... + 35122483.

It is an arithmetic number, because the mean of its divisors is an integer number (13064355792).

Almost surely, 2228134553808 is an apocalyptic number.

228134553808 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

228134553808 is an abundant number, since it is smaller than the sum of its proper divisors (294439677872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228134553808 is a wasteful number, since it uses less digits than its factorization.

228134553808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70238515 (or 70238509 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 49.

The spelling of 228134553808 in words is "two hundred twenty-eight billion, one hundred thirty-four million, five hundred fifty-three thousand, eight hundred eight".

Divisors: 1 2 4 7 8 14 16 28 29 56 58 112 116 203 232 406 464 812 1624 3248 70238471 140476942 280953884 491669297 561907768 983338594 1123815536 1966677188 2036915659 3933354376 4073831318 7866708752 8147662636 14258409613 16295325272 28516819226 32590650544 57033638452 114067276904 228134553808