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242540354201 = 2180831112147
BaseRepresentation
bin1110000111100010001…
…0000001101010011001
3212012001001110120211112
43201320202001222121
512433210312313301
6303231013310105
723344242665165
oct3417042015231
9765031416745
10242540354201
1193951785a22
123b00a335335
1319b4378c9b2
14ba4bc05ca5
156497ea89bb
hex3878881a99

242540354201 has 4 divisors (see below), whose sum is σ = 242541684432. Its totient is φ = 242539023972.

The previous prime is 242540354171. The next prime is 242540354207. The reversal of 242540354201 is 102453045242.

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 242540354201 - 26 = 242540354137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242540354207) 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, 337991 + ... + 774156.

It is an arithmetic number, because the mean of its divisors is an integer number (60635421108).

Almost surely, 2242540354201 is an apocalyptic number.

It is an amenable number.

242540354201 is a deficient number, since it is larger than the sum of its proper divisors (1330231).

242540354201 is a wasteful number, since it uses less digits than its factorization.

242540354201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330230.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 242540354201 its reverse (102453045242), we get a palindrome (344993399443).

The spelling of 242540354201 in words is "two hundred forty-two billion, five hundred forty million, three hundred fifty-four thousand, two hundred one".

Divisors: 1 218083 1112147 242540354201