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1240121021341 = 17193839383967
BaseRepresentation
bin10010000010111100111…
…110010001001110011101
311101112222011111011112211
4102002330332101032131
5130304231440140331
62345412001200421
7155411232520516
oct22027476211635
94345864434484
101240121021341
11438a28a94274
12180416030111
138cc34761017
1444044bd9a0d
15223d212a8b1
hex120bcf9139d

1240121021341 has 8 divisors (see below), whose sum is σ = 1382178228480. Its totient is φ = 1105742582208.

The previous prime is 1240121021327. The next prime is 1240121021353. The reversal of 1240121021341 is 1431201210421.

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 1240121021341 - 27 = 1240121021213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240121021311) 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, 1919691661 + ... + 1919692306.

It is an arithmetic number, because the mean of its divisors is an integer number (172772278560).

Almost surely, 21240121021341 is an apocalyptic number.

It is an amenable number.

1240121021341 is a deficient number, since it is larger than the sum of its proper divisors (142057207139).

1240121021341 is a wasteful number, since it uses less digits than its factorization.

1240121021341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3839384003.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 1240121021341 its reverse (1431201210421), we get a palindrome (2671322231762).

The spelling of 1240121021341 in words is "one trillion, two hundred forty billion, one hundred twenty-one million, twenty-one thousand, three hundred forty-one".

Divisors: 1 17 19 323 3839383967 65269527439 72948295373 1240121021341