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242765684449 = 475951011911
BaseRepresentation
bin1110001000010111110…
…1100101111011100001
3212012121202110112211021
43202011331211323201
512434141003400244
6303305223045441
723352650161531
oct3420575457341
9765552415737
10242765684449
1193a57999972
123b0718a0881
1319b7b3755c2
14ba6dadd4c1
1564acb68284
hex3885f65ee1

242765684449 has 4 divisors (see below), whose sum is σ = 242816701120. Its totient is φ = 242714667780.

The previous prime is 242765684429. The next prime is 242765684509. The reversal of 242765684449 is 944486567242.

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 242765684449 - 27 = 242765684321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242765684419) 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, 25501197 + ... + 25510714.

It is an arithmetic number, because the mean of its divisors is an integer number (60704175280).

Almost surely, 2242765684449 is an apocalyptic number.

It is an amenable number.

242765684449 is a deficient number, since it is larger than the sum of its proper divisors (51016671).

242765684449 is an equidigital number, since it uses as much as digits as its factorization.

242765684449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51016670.

The product of its digits is 92897280, while the sum is 61.

The spelling of 242765684449 in words is "two hundred forty-two billion, seven hundred sixty-five million, six hundred eighty-four thousand, four hundred forty-nine".

Divisors: 1 4759 51011911 242765684449