Search a number
-
+
13420303235 = 523264744087
BaseRepresentation
bin11000111111110100…
…11001001110000011
31021122021200001002222
430133322121032003
5204441044200420
610055403401255
7653365460333
oct143772311603
937567601088
1013420303235
1157674584a9
12272652322b
13135b4a1741
149144d70c3
155382c6225
hex31fe99383

13420303235 has 16 divisors (see below), whose sum is σ = 16811283456. Its totient is φ = 10265336928.

The previous prime is 13420303213. The next prime is 13420303243. The reversal of 13420303235 is 53230302431.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13420303235 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282362 + ... + 326448.

It is an arithmetic number, because the mean of its divisors is an integer number (1050705216).

Almost surely, 213420303235 is an apocalyptic number.

13420303235 is a deficient number, since it is larger than the sum of its proper divisors (3390980221).

13420303235 is a wasteful number, since it uses less digits than its factorization.

13420303235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46762.

The product of its (nonzero) digits is 6480, while the sum is 26.

Adding to 13420303235 its reverse (53230302431), we get a palindrome (66650605666).

The spelling of 13420303235 in words is "thirteen billion, four hundred twenty million, three hundred three thousand, two hundred thirty-five".

Divisors: 1 5 23 115 2647 13235 44087 60881 220435 304405 1014001 5070005 116698289 583491445 2684060647 13420303235