Search a number
-
+
13061310468 = 2234126547379
BaseRepresentation
bin11000010101000001…
…11100100000000100
31020201021011022121120
430022200330200010
5203222143413333
610000021113540
7641446210233
oct141240744004
936637138546
1013061310468
1155a2850968
1226462588b0
131301cba29b
148bc968b1a
15516a12db3
hex30a83c804

13061310468 has 24 divisors (see below), whose sum is σ = 31219718880. Its totient is φ = 4247580480.

The previous prime is 13061310461. The next prime is 13061310473. The reversal of 13061310468 is 86401316031.

It is a super-2 number, since 2×130613104682 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13061310461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13273198 + ... + 13274181.

It is an arithmetic number, because the mean of its divisors is an integer number (1300821620).

Almost surely, 213061310468 is an apocalyptic number.

It is an amenable number.

13061310468 is an abundant number, since it is smaller than the sum of its proper divisors (18158408412).

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

13061310468 is a wasteful number, since it uses less digits than its factorization.

13061310468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26547427 (or 26547425 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

Adding to 13061310468 its reverse (86401316031), we get a palindrome (99462626499).

The spelling of 13061310468 in words is "thirteen billion, sixty-one million, three hundred ten thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 12 41 82 123 164 246 492 26547379 53094758 79642137 106189516 159284274 318568548 1088442539 2176885078 3265327617 4353770156 6530655234 13061310468