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225238867270661 = 11931354031394359
BaseRepresentation
bin110011001101101010000010…
…101011000101110000000101
31002112111121212221010022002202
4303031222002223011300011
5214010303200010130121
62115013150202444245
765304654050366516
oct6315520253056005
91075447787108082
10225238867270661
116584a2a3677832
1221318974b03685
13988ac1b13853a
143d89895698a0d
151b08ea6e0440b
hexccda82ac5c05

225238867270661 has 8 divisors (see below), whose sum is σ = 225429494199360. Its totient is φ = 225048243403872.

The previous prime is 225238867270633. The next prime is 225238867270691. The reversal of 225238867270661 is 166072768832522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225238867270661 - 26 = 225238867270597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225238867270621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160838600 + ... + 162232958.

It is an arithmetic number, because the mean of its divisors is an integer number (28178686774920).

Almost surely, 2225238867270661 is an apocalyptic number.

It is an amenable number.

225238867270661 is a deficient number, since it is larger than the sum of its proper divisors (190626928699).

225238867270661 is a wasteful number, since it uses less digits than its factorization.

225238867270661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530955.

The product of its (nonzero) digits is 162570240, while the sum is 65.

The spelling of 225238867270661 in words is "two hundred twenty-five trillion, two hundred thirty-eight billion, eight hundred sixty-seven million, two hundred seventy thousand, six hundred sixty-one".

Divisors: 1 1193 135403 1394359 161535779 1663470287 188800391677 225238867270661