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225630788887 = 7347821113143
BaseRepresentation
bin1101001000100010100…
…1001001110100010111
3210120101121010122222201
43102020221021310113
512144042440221022
6251353042505331
722205225030020
oct3221051116427
9716347118881
10225630788887
1187764775259
123788b365247
131837a44134a
14acc6147c47
155d086e7127
hex3488a49d17

225630788887 has 16 divisors (see below), whose sum is σ = 258924160512. Its totient is φ = 192603889440.

The previous prime is 225630788839. The next prime is 225630788909. The reversal of 225630788887 is 788887036522.

It is a cyclic number.

It is not a de Polignac number, because 225630788887 - 219 = 225630264599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225630788587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1937638 + ... + 2050780.

It is an arithmetic number, because the mean of its divisors is an integer number (16182760032).

Almost surely, 2225630788887 is an apocalyptic number.

225630788887 is a deficient number, since it is larger than the sum of its proper divisors (33293371625).

225630788887 is a wasteful number, since it uses less digits than its factorization.

225630788887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114318.

The product of its (nonzero) digits is 72253440, while the sum is 64.

The spelling of 225630788887 in words is "two hundred twenty-five billion, six hundred thirty million, seven hundred eighty-eight thousand, eight hundred eighty-seven".

Divisors: 1 7 347 821 2429 5747 113143 284887 792001 1994209 39260621 92890403 274824347 650232821 32232969841 225630788887