Search a number
-
+
423243210044431 = 728637616531519
BaseRepresentation
bin110000000111011111111110…
…1001100000011010000001111
32001111120122201000121021101001
41200032333331030003100033
5420433404043232410211
64100055125124001131
7155102212205332300
oct14016777514032017
92044518630537331
10423243210044431
1111294948a162527
123b5774528301a7
13152218817aa77a
14767311b4cc7a7
1533de7d9398ac1
hex180effd30340f

423243210044431 has 6 divisors (see below), whose sum is σ = 492344142296640. Its totient is φ = 362779894323756.

The previous prime is 423243210044411. The next prime is 423243210044491. The reversal of 423243210044431 is 134440012342324.

It is not a de Polignac number, because 423243210044431 - 29 = 423243210043919 is a prime.

It is a super-2 number, since 2×4232432100444312 (a number of 30 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 (423243210044401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4318808265711 + ... + 4318808265808.

It is an arithmetic number, because the mean of its divisors is an integer number (82057357049440).

Almost surely, 2423243210044431 is an apocalyptic number.

423243210044431 is a deficient number, since it is larger than the sum of its proper divisors (69100932252209).

423243210044431 is an equidigital number, since it uses as much as digits as its factorization.

423243210044431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8637616531533 (or 8637616531526 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 423243210044431 its reverse (134440012342324), we get a palindrome (557683222386755).

The spelling of 423243210044431 in words is "four hundred twenty-three trillion, two hundred forty-three billion, two hundred ten million, forty-four thousand, four hundred thirty-one".

Divisors: 1 7 49 8637616531519 60463315720633 423243210044431