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228405051135360 = 27325116075938843
BaseRepresentation
bin110011111011101110110001…
…111100000001010110000000
31002221201022100201122121011200
4303323232301330001112000
5214414142021042312420
62125435455411141200
766052502043241101
oct6373566174012600
91087638321577150
10228405051135360
1166860046949750
122174a5195a4800
139a5a6720c8a98
144058c134963a8
151b61515e3bb90
hexcfbbb1f01580

228405051135360 has 384 divisors, whose sum is σ = 861829837839360. Its totient is φ = 55279691550720.

The previous prime is 228405051135353. The next prime is 228405051135361. The reversal of 228405051135360 is 63531150504822.

It is a happy number.

228405051135360 is a `hidden beast` number, since 2 + 2 + 8 + 4 + 0 + 50 + 51 + 13 + 536 + 0 = 666.

228405051135360 is digitally balanced in base 2, 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 (384).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228405051135361) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35490099 + ... + 41428941.

It is an arithmetic number, because the mean of its divisors is an integer number (2244348536040).

Almost surely, 2228405051135360 is an apocalyptic number.

228405051135360 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 228405051135360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (430914918919680).

228405051135360 is an abundant number, since it is smaller than the sum of its proper divisors (633424786704000).

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

228405051135360 is a wasteful number, since it uses less digits than its factorization.

228405051135360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5939486 (or 5939471 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 228405051135360 in words is "two hundred twenty-eight trillion, four hundred five billion, fifty-one million, one hundred thirty-five thousand, three hundred sixty".