Search a number
-
+
13004230142 = 27949817979
BaseRepresentation
bin11000001110001110…
…01100110111111110
31020120021202100010102
430013013030313332
5203113040331032
65550221441102
7640154063261
oct140707146776
936507670112
1013004230142
115573604642
12262b110192
1312c3223247
148b514acd8
155119da362
hex3071ccdfe

13004230142 has 8 divisors (see below), whose sum is σ = 19508823000. Its totient is φ = 6501289144.

The previous prime is 13004230133. The next prime is 13004230159. The reversal of 13004230142 is 24103240031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×130042301422 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393092 + ... + 424887.

It is an arithmetic number, because the mean of its divisors is an integer number (2438602875).

Almost surely, 213004230142 is an apocalyptic number.

13004230142 is a deficient number, since it is larger than the sum of its proper divisors (6504592858).

13004230142 is an equidigital number, since it uses as much as digits as its factorization.

13004230142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825930.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 13004230142 its reverse (24103240031), we get a palindrome (37107470173).

The spelling of 13004230142 in words is "thirteen billion, four million, two hundred thirty thousand, one hundred forty-two".

Divisors: 1 2 7949 15898 817979 1635958 6502115071 13004230142