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228710712378 = 23412269140973
BaseRepresentation
bin1101010100000000111…
…0001000010000111010
3210212100020112222202010
43111000032020100322
512221344420244003
6253022424150350
722344443656551
oct3250016102072
9725306488663
10228710712378
1188aa5264375
12383aa9083b6
131874b55a195
14b0d91d6d98
155e38cc7003
hex354038843a

228710712378 has 32 divisors (see below), whose sum is σ = 468610132032. Its totient is φ = 74372374400.

The previous prime is 228710712367. The next prime is 228710712397. The reversal of 228710712378 is 873217017822.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5561500 + ... + 5602472.

It is an arithmetic number, because the mean of its divisors is an integer number (14644066626).

Almost surely, 2228710712378 is an apocalyptic number.

228710712378 is an abundant number, since it is smaller than the sum of its proper divisors (239899419654).

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

228710712378 is a wasteful number, since it uses less digits than its factorization.

228710712378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63710.

The product of its (nonzero) digits is 526848, while the sum is 48.

The spelling of 228710712378 in words is "two hundred twenty-eight billion, seven hundred ten million, seven hundred twelve thousand, three hundred seventy-eight".

Divisors: 1 2 3 6 41 82 123 246 22691 40973 45382 68073 81946 122919 136146 245838 930331 1679893 1860662 2790993 3359786 5039679 5581986 10079358 929718343 1859436686 2789155029 5578310058 38118452063 76236904126 114355356189 228710712378