Search a number
-
+
1425403013 = 1917462843
BaseRepresentation
bin101010011110101…
…1110110010000101
310200100010222100012
41110331132302011
510404400344023
6353235200005
750215503626
oct12475366205
93610128305
101425403013
1167166a421
12339446005
13199404248
14d7445a4d
1585211978
hex54f5ec85

1425403013 has 4 divisors (see below), whose sum is σ = 1432866048. Its totient is φ = 1417939980.

The previous prime is 1425402997. The next prime is 1425403027. The reversal of 1425403013 is 3103045241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3103045241 = 17182532073.

It is a cyclic number.

It is not a de Polignac number, because 1425403013 - 24 = 1425402997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1425403013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425403813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3731231 + ... + 3731612.

It is an arithmetic number, because the mean of its divisors is an integer number (358216512).

Almost surely, 21425403013 is an apocalyptic number.

It is an amenable number.

1425403013 is a deficient number, since it is larger than the sum of its proper divisors (7463035).

1425403013 is an equidigital number, since it uses as much as digits as its factorization.

1425403013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7463034.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1425403013 is about 37754.5098365745. The cubic root of 1425403013 is about 1125.4146324802.

Adding to 1425403013 its reverse (3103045241), we get a palindrome (4528448254).

The spelling of 1425403013 in words is "one billion, four hundred twenty-five million, four hundred three thousand, thirteen".

Divisors: 1 191 7462843 1425403013