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228135930960 = 243572329203591
BaseRepresentation
bin1101010001110111110…
…1100000110001010000
3210210212012000001212110
43110131331200301100
512214210244242320
6252445412425320
722324264263150
oct3243575406120
9723765001773
10228135930960
118882a870603
123826a318240
1318689451132
14b082b36760
155e035db5e0
hex351df60c50

228135930960 has 320 divisors, whose sum is σ = 872481300480. Its totient is φ = 48157992960.

The previous prime is 228135930941. The next prime is 228135931003. The reversal of 228135930960 is 69039531822.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1018765 + ... + 1222355.

It is an arithmetic number, because the mean of its divisors is an integer number (2726504064).

Almost surely, 2228135930960 is an apocalyptic number.

228135930960 is a gapful number since it is divisible by the number (20) 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 228135930960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (436240650240).

228135930960 is an abundant number, since it is smaller than the sum of its proper divisors (644345369520).

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

228135930960 is a wasteful number, since it uses less digits than its factorization.

228135930960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203666 (or 203660 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 48.

The spelling of 228135930960 in words is "two hundred twenty-eight billion, one hundred thirty-five million, nine hundred thirty thousand, nine hundred sixty".