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228085789792 = 2571018240133
BaseRepresentation
bin1101010001101011111…
…0001111010001100000
3210210201200122122010011
43110122332033101200
512214104430233132
6252440422014304
722323115140040
oct3243276172140
9723650578104
10228085789792
1188804533823
1238255577394
131867bc466c3
14b07a203720
155deded4b47
hex351af8f460

228085789792 has 24 divisors (see below), whose sum is σ = 513193027536. Its totient is φ = 97751052672.

The previous prime is 228085789783. The next prime is 228085789793. The reversal of 228085789792 is 297987580822.

228085789792 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2280857897922 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228085789793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509119843 + ... + 509120290.

It is an arithmetic number, because the mean of its divisors is an integer number (21383042814).

Almost surely, 2228085789792 is an apocalyptic number.

It is an amenable number.

228085789792 is an abundant number, since it is smaller than the sum of its proper divisors (285107237744).

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

228085789792 is a wasteful number, since it uses less digits than its factorization.

228085789792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018240150 (or 1018240142 counting only the distinct ones).

The product of its (nonzero) digits is 81285120, while the sum is 67.

The spelling of 228085789792 in words is "two hundred twenty-eight billion, eighty-five million, seven hundred eighty-nine thousand, seven hundred ninety-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 1018240133 2036480266 4072960532 7127680931 8145921064 14255361862 16291842128 28510723724 32583684256 57021447448 114042894896 228085789792