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228427824105 = 325131492620637
BaseRepresentation
bin1101010010111101011…
…0111111101111101001
3210211121112020202222200
43110233112333233221
512220310010332410
6252534401010413
722334440316445
oct3245726775751
9724545222880
10228427824105
118896a608208
1238330023a09
1318704a70c80
14b0ad7d9825
155e1e0483c0
hex352f5bfbe9

228427824105 has 48 divisors (see below), whose sum is σ = 429260504400. Its totient is φ = 111701988864.

The previous prime is 228427824101. The next prime is 228427824151. The reversal of 228427824105 is 501428724822.

228427824105 is a `hidden beast` number, since 228 + 4 + 2 + 7 + 8 + 2 + 410 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 38408552361 + 190019271744 = 195981^2 + 435912^2 .

It is not a de Polignac number, because 228427824105 - 22 = 228427824101 is a prime.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (228427824101) 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, 1223154 + ... + 1397483.

It is an arithmetic number, because the mean of its divisors is an integer number (8942927175).

Almost surely, 2228427824105 is an apocalyptic number.

It is an amenable number.

228427824105 is a deficient number, since it is larger than the sum of its proper divisors (200832680295).

228427824105 is a wasteful number, since it uses less digits than its factorization.

228427824105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2620810 (or 2620807 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 45.

The spelling of 228427824105 in words is "two hundred twenty-eight billion, four hundred twenty-seven million, eight hundred twenty-four thousand, one hundred five".

Divisors: 1 3 5 9 13 15 39 45 65 117 149 195 447 585 745 1341 1937 2235 5811 6705 9685 17433 29055 87165 2620637 7861911 13103185 23585733 34068281 39309555 102204843 117928665 170341405 306614529 390474913 511024215 1171424739 1533072645 1952374565 3514274217 5076173869 5857123695 15228521607 17571371085 25380869345 45685564821 76142608035 228427824105