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225332975387 = 1317333305799
BaseRepresentation
bin1101000111011011100…
…1000101011100011011
3210112121211202011200002
43101312321011130123
512142440220203022
6251303323403215
722164650455052
oct3216671053433
9715554664602
10225332975387
11876216545a3
123780768350b
131833082a840
14ac98783399
155cdc4bb092
hex3476e4571b

225332975387 has 4 divisors (see below), whose sum is σ = 242666281200. Its totient is φ = 207999669576.

The previous prime is 225332975363. The next prime is 225332975393. The reversal of 225332975387 is 783579233522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 225332975387 - 214 = 225332959003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225332975347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8666652887 + ... + 8666652912.

It is an arithmetic number, because the mean of its divisors is an integer number (60666570300).

Almost surely, 2225332975387 is an apocalyptic number.

225332975387 is a deficient number, since it is larger than the sum of its proper divisors (17333305813).

225332975387 is a wasteful number, since it uses less digits than its factorization.

225332975387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17333305812.

The product of its digits is 19051200, while the sum is 56.

The spelling of 225332975387 in words is "two hundred twenty-five billion, three hundred thirty-two million, nine hundred seventy-five thousand, three hundred eighty-seven".

Divisors: 1 13 17333305799 225332975387