Search a number
-
+
40505254215341 = 1371447572042449
BaseRepresentation
bin10010011010110110111010…
…10010011111111010101101
312022102021010210212112000012
421031123131102133322231
520302114230034342331
6222051505031343005
711350256650030226
oct1115333522377255
9168367123775005
1040505254215341
11119a72000422a3
124662233821a65
13197a8241313a6
14a0067145624d
154a397bc6e82b
hex24d6dd49fead

40505254215341 has 8 divisors (see below), whose sum is σ = 40801214839800. Its totient is φ = 40209297965568.

The previous prime is 40505254215331. The next prime is 40505254215347. The reversal of 40505254215341 is 14351245250504.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5814874074025 + 34690380141316 = 2411405^2 + 5889854^2 .

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 40505254215341 - 210 = 40505254214317 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 (40505254215347) 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, 18810485 + ... + 20852933.

It is an arithmetic number, because the mean of its divisors is an integer number (5100151854975).

Almost surely, 240505254215341 is an apocalyptic number.

It is an amenable number.

40505254215341 is a deficient number, since it is larger than the sum of its proper divisors (295960624459).

40505254215341 is a wasteful number, since it uses less digits than its factorization.

40505254215341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2187343.

The product of its (nonzero) digits is 480000, while the sum is 41.

Adding to 40505254215341 its reverse (14351245250504), we get a palindrome (54856499465845).

The spelling of 40505254215341 in words is "forty trillion, five hundred five billion, two hundred fifty-four million, two hundred fifteen thousand, three hundred forty-one".

Divisors: 1 137 144757 2042449 19831709 279815513 295658789893 40505254215341