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243110425355601 = 381036808451867
BaseRepresentation
bin110111010001101110001110…
…100010110110010101010001
31011212210010111112121121220020
4313101232032202312111101
5223331110122342334401
62221015215415534053
7102131101654563606
oct6721561642662521
91155703445547806
10243110425355601
117050a609268161
122332451968a329
13a5862a3a31a2b
1444068708a06ad
151d18cd7b18d36
hexdd1b8e8b6551

243110425355601 has 4 divisors (see below), whose sum is σ = 324147233807472. Its totient is φ = 162073616903732.

The previous prime is 243110425355593. The next prime is 243110425355641. The reversal of 243110425355601 is 106553524011342.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 243110425355601 - 23 = 243110425355593 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (243110425355641) 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, 40518404225931 + ... + 40518404225936.

It is an arithmetic number, because the mean of its divisors is an integer number (81036808451868).

Almost surely, 2243110425355601 is an apocalyptic number.

It is an amenable number.

243110425355601 is a deficient number, since it is larger than the sum of its proper divisors (81036808451871).

243110425355601 is an equidigital number, since it uses as much as digits as its factorization.

243110425355601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81036808451870.

The product of its (nonzero) digits is 432000, while the sum is 42.

Adding to 243110425355601 its reverse (106553524011342), we get a palindrome (349663949366943).

The spelling of 243110425355601 in words is "two hundred forty-three trillion, one hundred ten billion, four hundred twenty-five million, three hundred fifty-five thousand, six hundred one".

Divisors: 1 3 81036808451867 243110425355601