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1242340441001 = 11239472552469
BaseRepresentation
bin10010000101000001010…
…000101011101110101001
311101202200211201100221222
4102011001100223232221
5130323303123103001
62350420123111425
7155520232341002
oct22050120535651
94352624640858
101242340441001
114399678780a0
12180935372575
13901c95018aa
14441b58901a9
15224b1dd161b
hex1214142bba9

1242340441001 has 8 divisors (see below), whose sum is σ = 1360951113600. Its totient is φ = 1124674873840.

The previous prime is 1242340440983. The next prime is 1242340441021. The reversal of 1242340441001 is 1001440432421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1242340441001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1242340441021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236273606 + ... + 236278863.

It is an arithmetic number, because the mean of its divisors is an integer number (170118889200).

Almost surely, 21242340441001 is an apocalyptic number.

1242340441001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1242340441001 is a deficient number, since it is larger than the sum of its proper divisors (118610672599).

1242340441001 is a wasteful number, since it uses less digits than its factorization.

1242340441001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472552719.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 1242340441001 its reverse (1001440432421), we get a palindrome (2243780873422).

The spelling of 1242340441001 in words is "one trillion, two hundred forty-two billion, three hundred forty million, four hundred forty-one thousand, one".

Divisors: 1 11 239 2629 472552469 5198077159 112940040091 1242340441001