Search a number
-
+
140441443212431 = 1932632766828409
BaseRepresentation
bin11111111011101100010010…
…010101011001110010001111
3200102021001220122112020100202
4133323230102111121302033
5121401443033430244211
61214405524111044115
741403362612501234
oct3773542225316217
9612231818466322
10140441443212431
1140826977435529
12139025ab21063b
1360497570cc83a
14269758b5bb78b
15113830e44a53b
hex7fbb12559c8f

140441443212431 has 8 divisors (see below), whose sum is σ = 141705883846560. Its totient is φ = 139182536236032.

The previous prime is 140441443212409. The next prime is 140441443212481. The reversal of 140441443212431 is 134212344144041.

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-140441443212431 is a prime.

It is a super-2 number, since 2×1404414432124312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140441443212481) 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, 1383363446 + ... + 1383464963.

It is an arithmetic number, because the mean of its divisors is an integer number (17713235480820).

Almost surely, 2140441443212431 is an apocalyptic number.

140441443212431 is a deficient number, since it is larger than the sum of its proper divisors (1264440634129).

140441443212431 is a wasteful number, since it uses less digits than its factorization.

140441443212431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2766828865.

The product of its (nonzero) digits is 147456, while the sum is 38.

Adding to 140441443212431 its reverse (134212344144041), we get a palindrome (274653787356472).

The spelling of 140441443212431 in words is "one hundred forty trillion, four hundred forty-one billion, four hundred forty-three million, two hundred twelve thousand, four hundred thirty-one".

Divisors: 1 193 263 50759 2766828409 533997882937 727675871567 140441443212431