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225879368450 = 252672132
BaseRepresentation
bin1101001001011101110…
…1011010001100000010
3210121000220212211001012
43102113131122030002
512200100104242300
6251433442440522
722214333644541
oct3222735321402
9717026784035
10225879368450
118788201880a
123793a663142
13183b9aa7348
14ad0b174158
155d2044a435
hex349775a302

225879368450 has 18 divisors (see below), whose sum is σ = 420141876219. Its totient is φ = 90350403120.

The previous prime is 225879368443. The next prime is 225879368453. The reversal of 225879368450 is 54863978522.

225879368450 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 92655098449 + 133224270001 = 304393^2 + 364999^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=336065.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225879368450.

It is not an unprimeable number, because it can be changed into a prime (225879368453) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3327044 + ... + 3394256.

Almost surely, 2225879368450 is an apocalyptic number.

225879368450 is a deficient number, since it is larger than the sum of its proper divisors (194262507769).

225879368450 is an frugal number, since it uses more digits than its factorization.

225879368450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134438 (or 67220 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 59.

The spelling of 225879368450 in words is "two hundred twenty-five billion, eight hundred seventy-nine million, three hundred sixty-eight thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 67213 134426 336065 672130 1680325 3360650 4517587369 9035174738 22587936845 45175873690 112939684225 225879368450