Search a number
-
+
43131441001 = 1129751717987
BaseRepresentation
bin101000001010110101…
…011000111101101001
311010022220102012222211
4220022311120331221
51201313122103001
631451520245121
73054560125255
oct501265307551
9133286365884
1043131441001
1117323635010
1284387707a1
1340b4a6842c
14213242b265
1511c6891351
hexa0ad58f69

43131441001 has 16 divisors (see below), whose sum is σ = 48684162240. Its totient is φ = 37851177280.

The previous prime is 43131440959. The next prime is 43131441163. The reversal of 43131441001 is 10014413134.

It is a happy number.

43131441001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 43131441001 - 233 = 34541506409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43131441601) 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, 2388930 + ... + 2406916.

It is an arithmetic number, because the mean of its divisors is an integer number (3042760140).

Almost surely, 243131441001 is an apocalyptic number.

It is an amenable number.

43131441001 is a deficient number, since it is larger than the sum of its proper divisors (5552721239).

43131441001 is a wasteful number, since it uses less digits than its factorization.

43131441001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25544.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 43131441001 its reverse (10014413134), we get a palindrome (53145854135).

The spelling of 43131441001 in words is "forty-three billion, one hundred thirty-one million, four hundred forty-one thousand, one".

Divisors: 1 11 29 319 7517 17987 82687 197857 217993 521623 2397923 5737853 135208279 1487291069 3921040091 43131441001