Search a number
-
+
12310400133340 = 2255021122589127
BaseRepresentation
bin1011001100100011110100…
…0001101110100011011100
31121120212021221200122102021
42303020331001232203130
53103143144413231330
642103153022105524
72410253122425331
oct263107501564334
947525257618367
1012310400133340
113a168a1a42221
121469a0811b2a4
136b3b34095b3a
14307b80080988
1516534d67a67a
hexb323d06e8dc

12310400133340 has 24 divisors (see below), whose sum is σ = 25856989234272. Its totient is φ = 4923179300160.

The previous prime is 12310400133313. The next prime is 12310400133347. The reversal of 12310400133340 is 4333100401321.

12310400133340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12310400133347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61194144 + ... + 61394983.

It is an arithmetic number, because the mean of its divisors is an integer number (1077374551428).

Almost surely, 212310400133340 is an apocalyptic number.

12310400133340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12310400133340 is an abundant number, since it is smaller than the sum of its proper divisors (13546589100932).

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

12310400133340 is a wasteful number, since it uses less digits than its factorization.

12310400133340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122594157 (or 122594155 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 12310400133340 its reverse (4333100401321), we get a palindrome (16643500534661).

The spelling of 12310400133340 in words is "twelve trillion, three hundred ten billion, four hundred million, one hundred thirty-three thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 5021 10042 20084 25105 50210 100420 122589127 245178254 490356508 612945635 1225891270 2451782540 615520006667 1231040013334 2462080026668 3077600033335 6155200066670 12310400133340