Search a number
-
+
13122312023012 = 2217435744290837
BaseRepresentation
bin1011111011110100011010…
…1111110010101111100100
31201110110222111011002002212
42332331012233302233210
53204443443334214022
643524150143422552
72523025060551563
oct276750657625744
951413874132085
1013122312023012
1141aa161047a35
12157b2378b4a58
13742575b6722a
143351a2449bda
1517b51c5d63e2
hexbef46bf2be4

13122312023012 has 24 divisors (see below), whose sum is σ = 24320453472504. Its totient is φ = 6173788211712.

The previous prime is 13122312022871. The next prime is 13122312023053. The reversal of 13122312023012 is 21032021322131.

It can be written as a sum of positive squares in 4 ways, for example, as 10407179232256 + 2715132790756 = 3226016^2 + 1647766^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21849143 + ... + 22441694.

It is an arithmetic number, because the mean of its divisors is an integer number (1013352228021).

Almost surely, 213122312023012 is an apocalyptic number.

It is an amenable number.

13122312023012 is a deficient number, since it is larger than the sum of its proper divisors (11198141449492).

13122312023012 is a wasteful number, since it uses less digits than its factorization.

13122312023012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44295215 (or 44295213 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13122312023012 its reverse (21032021322131), we get a palindrome (34154333345143).

The spelling of 13122312023012 in words is "thirteen trillion, one hundred twenty-two billion, three hundred twelve million, twenty-three thousand, twelve".

Divisors: 1 2 4 17 34 68 4357 8714 17428 74069 148138 296276 44290837 88581674 177163348 752944229 1505888458 3011776916 192975176809 385950353618 771900707236 3280578005753 6561156011506 13122312023012