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225825454813 = 7731135138933
BaseRepresentation
bin1101001001010000111…
…1101111101011011101
3210120220011102201102211
43102110033233223131
512144442304023223
6251424235120421
722213110460120
oct3222417575335
9716804381384
10225825454813
1187854644692
12379245a3111
13183ab87b79a
14ad03d3c3b7
155d1a84ad0d
hex34943efadd

225825454813 has 16 divisors (see below), whose sum is σ = 261651430656. Its totient is φ = 190891382400.

The previous prime is 225825454781. The next prime is 225825454837. The reversal of 225825454813 is 318454528522.

It is a cyclic number.

It is not a de Polignac number, because 225825454813 - 25 = 225825454781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225825454853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5780895 + ... + 5819827.

It is an arithmetic number, because the mean of its divisors is an integer number (16353214416).

Almost surely, 2225825454813 is an apocalyptic number.

It is an amenable number.

225825454813 is a deficient number, since it is larger than the sum of its proper divisors (35825975843).

225825454813 is a wasteful number, since it uses less digits than its factorization.

225825454813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50364.

The product of its digits is 3072000, while the sum is 49.

The spelling of 225825454813 in words is "two hundred twenty-five billion, eight hundred twenty-five million, four hundred fifty-four thousand, eight hundred thirteen".

Divisors: 1 7 73 511 11351 38933 79457 272531 828623 2842109 5800361 19894763 441928483 3093499381 32260779259 225825454813