Search a number
-
+
140044011131441 = 173809502954517
BaseRepresentation
bin11111110101111010001001…
…100010010101001000110001
3200100212002001220221200000102
4133311322021202111020301
5121323440113322201231
61213503155222202145
741332563101524454
oct3765721142251061
9610762056850012
10140044011131441
114069337138674a
1213859573b83355
13601b12a7b1201
1426822484a949b
15112cced1e6acb
hex7f5e89895231

140044011131441 has 4 divisors (see below), whose sum is σ = 140853514086132. Its totient is φ = 139234508176752.

The previous prime is 140044011131419. The next prime is 140044011131443. The reversal of 140044011131441 is 144131110440041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 125444390438416 + 14599620693025 = 11200196^2 + 3820945^2 .

It is a cyclic number.

It is not a de Polignac number, because 140044011131441 - 210 = 140044011130417 is a prime.

It is a super-2 number, since 2×1400440111314412 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140044011131443) 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, 404751477086 + ... + 404751477431.

It is an arithmetic number, because the mean of its divisors is an integer number (35213378521533).

Almost surely, 2140044011131441 is an apocalyptic number.

It is an amenable number.

140044011131441 is a deficient number, since it is larger than the sum of its proper divisors (809502954691).

140044011131441 is an equidigital number, since it uses as much as digits as its factorization.

140044011131441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809502954690.

The product of its (nonzero) digits is 3072, while the sum is 29.

Adding to 140044011131441 its reverse (144131110440041), we get a palindrome (284175121571482).

The spelling of 140044011131441 in words is "one hundred forty trillion, forty-four billion, eleven million, one hundred thirty-one thousand, four hundred forty-one".

Divisors: 1 173 809502954517 140044011131441