Search a number
-
+
2440020535231 = 79166237185797
BaseRepresentation
bin100011100000011100100…
…011101010011110111111
322122021010020010001111111
4203200130203222132333
5304434130224111411
65104532512102451
7341166661225246
oct43403443523677
98567106101444
102440020535231
11860896a87694
12334a85b34a27
13149129294b96
1486151c4795d
154370d0b7721
hex2381c8ea7bf

2440020535231 has 8 divisors (see below), whose sum is σ = 2470935033920. Its totient is φ = 2409106740768.

The previous prime is 2440020535217. The next prime is 2440020535237. The reversal of 2440020535231 is 1325350200442.

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 2440020535231 - 215 = 2440020502463 is a prime.

It is a super-2 number, since 2×24400205352312 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2440020535193 and 2440020535202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440020535237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13039825 + ... + 13225621.

It is an arithmetic number, because the mean of its divisors is an integer number (308866879240).

Almost surely, 22440020535231 is an apocalyptic number.

2440020535231 is a deficient number, since it is larger than the sum of its proper divisors (30914498689).

2440020535231 is a wasteful number, since it uses less digits than its factorization.

2440020535231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352113.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 2440020535231 its reverse (1325350200442), we get a palindrome (3765370735673).

The spelling of 2440020535231 in words is "two trillion, four hundred forty billion, twenty million, five hundred thirty-five thousand, two hundred thirty-one".

Divisors: 1 79 166237 185797 13132723 14677963 30886335889 2440020535231