Search a number
-
+
13223003130 = 2325146922257
BaseRepresentation
bin11000101000010011…
…10000001111111010
31021010112102011020200
430110021300033322
5204040042100010
610024034503030
7645451446351
oct142411601772
937115364220
1013223003130
115676049a67
122690434a76
13132965130c
148d6218998
15525d01cc0
hex3142703fa

13223003130 has 24 divisors (see below), whose sum is σ = 34379808372. Its totient is φ = 3526134144.

The previous prime is 13223003099. The next prime is 13223003149. The reversal of 13223003130 is 3130032231.

13223003130 is a `hidden beast` number, since 1 + 322 + 30 + 0 + 313 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12895646481 + 327356649 = 113559^2 + 18093^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73461039 + ... + 73461218.

Almost surely, 213223003130 is an apocalyptic number.

13223003130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13223003130 is an abundant number, since it is smaller than the sum of its proper divisors (21156805242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13223003130 is a wasteful number, since it uses less digits than its factorization.

13223003130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146922270 (or 146922267 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 13223003130 its reverse (3130032231), we get a palindrome (16353035361).

The spelling of 13223003130 in words is "thirteen billion, two hundred twenty-three million, three thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 146922257 293844514 440766771 734611285 881533542 1322300313 1469222570 2203833855 2644600626 4407667710 6611501565 13223003130