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242154031342451 = 7917201891781921
BaseRepresentation
bin110111000011110011100001…
…000001001110001101110011
31011202101200212210112211221012
4313003303201001032031303
5223214422424010424301
62215004005401021135
7102002023431603554
oct6703634101161563
91152350783484835
10242154031342451
1170180a47828628
12231ab0a71847ab
13a517047913897
1443b24638d232b
151cedeae72eebb
hexdc3ce104e373

242154031342451 has 8 divisors (see below), whose sum is σ = 245219552414400. Its totient is φ = 239088517274880.

The previous prime is 242154031342417. The next prime is 242154031342459. The reversal of 242154031342451 is 154243130451242.

242154031342451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 242154031342451 - 26 = 242154031342387 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242154031342399 and 242154031342408.

It is not an unprimeable number, because it can be changed into a prime (242154031342459) 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, 135003971 + ... + 136785891.

It is an arithmetic number, because the mean of its divisors is an integer number (30652444051800).

Almost surely, 2242154031342451 is an apocalyptic number.

242154031342451 is a deficient number, since it is larger than the sum of its proper divisors (3065521071949).

242154031342451 is a wasteful number, since it uses less digits than its factorization.

242154031342451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3502189.

The product of its (nonzero) digits is 460800, while the sum is 41.

Adding to 242154031342451 its reverse (154243130451242), we get a palindrome (396397161793693).

The spelling of 242154031342451 in words is "two hundred forty-two trillion, one hundred fifty-four billion, thirty-one million, three hundred forty-two thousand, four hundred fifty-one".

Divisors: 1 79 1720189 1781921 135894931 140771759 3065240903069 242154031342451