Search a number
-
+
243055031413 = 1743449740527
BaseRepresentation
bin1110001001011100110…
…1010111010001110101
3212020100220220220020111
43202113031113101311
512440234042001123
6303354040503021
723363062451635
oct3422715272165
9766326826214
10243055031413
1194096257597
123b13277aa71
1319bc62b351c
14ba9a2dc6c5
1564c827090d
hex3897357475

243055031413 has 16 divisors (see below), whose sum is σ = 263924179200. Its totient is φ = 222939795456.

The previous prime is 243055031369. The next prime is 243055031419. The reversal of 243055031413 is 314130550342.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-243055031413 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 (243055031419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42045 + ... + 698482.

It is an arithmetic number, because the mean of its divisors is an integer number (16495261200).

Almost surely, 2243055031413 is an apocalyptic number.

It is an amenable number.

243055031413 is a deficient number, since it is larger than the sum of its proper divisors (20869147787).

243055031413 is a wasteful number, since it uses less digits than its factorization.

243055031413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741036.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 243055031413 its reverse (314130550342), we get a palindrome (557185581755).

The spelling of 243055031413 in words is "two hundred forty-three billion, fifty-five million, thirty-one thousand, four hundred thirteen".

Divisors: 1 17 43 449 731 7633 19307 328219 740527 12588959 31842661 332496623 541325237 5652442591 14297354789 243055031413