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228686948748 = 22326352415243
BaseRepresentation
bin1101010011111011001…
…1011110100110001100
3210212021120211200011200
43110332303132212030
512221322324324443
6253020214545500
722344034664046
oct3247663364614
9725246750150
10228686948748
1188a92903405
12383a2968290
131874665996b
14b0d5daca96
155e36b80dd3
hex353ecde98c

228686948748 has 18 divisors (see below), whose sum is σ = 578069787204. Its totient is φ = 76228982904.

The previous prime is 228686948723. The next prime is 228686948783. The reversal of 228686948748 is 847849686822.

228686948748 is a `hidden beast` number, since 2 + 2 + 86 + 8 + 69 + 487 + 4 + 8 = 666.

228686948748 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3176207586 + ... + 3176207657.

It is an arithmetic number, because the mean of its divisors is an integer number (32114988178).

Almost surely, 2228686948748 is an apocalyptic number.

It is an amenable number.

228686948748 is an abundant number, since it is smaller than the sum of its proper divisors (349382838456).

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

228686948748 is a wasteful number, since it uses less digits than its factorization.

228686948748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6352415253 (or 6352415248 counting only the distinct ones).

The product of its digits is 594542592, while the sum is 72.

The spelling of 228686948748 in words is "two hundred twenty-eight billion, six hundred eighty-six million, nine hundred forty-eight thousand, seven hundred forty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 6352415243 12704830486 19057245729 25409660972 38114491458 57171737187 76228982916 114343474374 228686948748