Search a number
-
+
13002011312 = 247311131859
BaseRepresentation
bin11000001101111101…
…01111001010110000
31020120010120121110112
430012332233022300
5203112003330222
65550102120452
7640126162343
oct140676571260
936503517415
1013002011312
1155723295a4
12262a420128
1312c2927324
148b4b3045a
155116ecbe2
hex306faf2b0

13002011312 has 20 divisors (see below), whose sum is σ = 25536486840. Its totient is φ = 6411950208.

The previous prime is 13002011299. The next prime is 13002011317. The reversal of 13002011312 is 21311020031.

It is a super-2 number, since 2×130020113122 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13002011317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5564762 + ... + 5567097.

It is an arithmetic number, because the mean of its divisors is an integer number (1276824342).

Almost surely, 213002011312 is an apocalyptic number.

It is an amenable number.

13002011312 is a deficient number, since it is larger than the sum of its proper divisors (12534475528).

13002011312 is a wasteful number, since it uses less digits than its factorization.

13002011312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11131940 (or 11131934 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 13002011312 its reverse (21311020031), we get a palindrome (34313031343).

The spelling of 13002011312 in words is "thirteen billion, two million, eleven thousand, three hundred twelve".

Divisors: 1 2 4 8 16 73 146 292 584 1168 11131859 22263718 44527436 89054872 178109744 812625707 1625251414 3250502828 6501005656 13002011312