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225757057352 = 231679872
BaseRepresentation
bin1101001001000000101…
…0110101000101001000
3210120201101201202202112
43102100022311011020
512144322301313402
6251413353121452
722211320216451
oct3222012650510
9716641652675
10225757057352
1187819a78662
12379056b9288
131839a651508
14acd8c16128
155d14839e52
hex34902b5148

225757057352 has 12 divisors (see below), whose sum is σ = 423297002355. Its totient is φ = 112877856728.

The previous prime is 225757057343. The next prime is 225757057381. The reversal of 225757057352 is 253750757522.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 112878528676 + 112878528676 = 335974^2 + 335974^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=335974.

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 225757057352.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1259903 + ... + 1427889.

Almost surely, 2225757057352 is an apocalyptic number.

It is an amenable number.

225757057352 is a deficient number, since it is larger than the sum of its proper divisors (197539945003).

225757057352 is an frugal number, since it uses more digits than its factorization.

225757057352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335980 (or 167989 counting only the distinct ones).

The product of its (nonzero) digits is 5145000, while the sum is 50.

Multiplying 225757057352 by its sum of digits (50), we get a square (11287852867600 = 33597402).

The spelling of 225757057352 in words is "two hundred twenty-five billion, seven hundred fifty-seven million, fifty-seven thousand, three hundred fifty-two".

Divisors: 1 2 4 8 167987 335974 671948 1343896 28219632169 56439264338 112878528676 225757057352