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243101121366317 = 4813194892591681
BaseRepresentation
bin110111010001100101100011…
…111110111100100100101101
31011212202020111010111222222112
4313101211203332330210231
5223330432044032210232
62221011040255053405
7102130322261146454
oct6721454376744455
91155666433458875
10243101121366317
1170506674418315
1223322761811265
13a5854502b7c26
14440622ad57b9b
151d18940de14b2
hexdd1963fbc92d

243101121366317 has 8 divisors (see below), whose sum is σ = 243164200814520. Its totient is φ = 243038047150080.

The previous prime is 243101121366293. The next prime is 243101121366371. The reversal of 243101121366317 is 713663121101342.

It can be written as a sum of positive squares in 4 ways, for example, as 3826350683236 + 239274770683081 = 1956106^2 + 15468509^2 .

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 243101121366317 - 26 = 243101121366253 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 (243101129366317) 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, 92504717 + ... + 95096397.

It is an arithmetic number, because the mean of its divisors is an integer number (30395525101815).

Almost surely, 2243101121366317 is an apocalyptic number.

It is an amenable number.

243101121366317 is a deficient number, since it is larger than the sum of its proper divisors (63079448203).

243101121366317 is a wasteful number, since it uses less digits than its factorization.

243101121366317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2615983.

The product of its (nonzero) digits is 108864, while the sum is 41.

Adding to 243101121366317 its reverse (713663121101342), we get a palindrome (956764242467659).

The spelling of 243101121366317 in words is "two hundred forty-three trillion, one hundred one billion, one hundred twenty-one million, three hundred sixty-six thousand, three hundred seventeen".

Divisors: 1 4813 19489 2591681 93800557 12473760653 50509271009 243101121366317