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228827968512 = 210311132172357
BaseRepresentation
bin1101010100011100110…
…1011011010000000000
3210212122102012012220220
43111013031123100000
512222114424443022
6253042213303040
722350366432303
oct3250715332000
9725572165826
10228827968512
1189055471670
1238422034a80
1318769933200
14b10a9dab3a
155e4423985c
hex354735b400

228827968512 has 528 divisors, whose sum is σ = 763179112512. Its totient is φ = 60217098240.

The previous prime is 228827968433. The next prime is 228827968531. The reversal of 228827968512 is 215869728822.

It is a tau number, because it is divible by the number of its divisors (528).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 97083238 + ... + 97085594.

Almost surely, 2228827968512 is an apocalyptic number.

228827968512 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228827968512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381589556256).

228827968512 is an abundant number, since it is smaller than the sum of its proper divisors (534351144000).

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

228827968512 is a wasteful number, since it uses less digits than its factorization.

228827968512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2434 (or 2403 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 60.

The spelling of 228827968512 in words is "two hundred twenty-eight billion, eight hundred twenty-seven million, nine hundred sixty-eight thousand, five hundred twelve".