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12310621324608 = 2631075095232251
BaseRepresentation
bin1011001100100100101000…
…1101100000010101000000
31121120212212100220022210110
42303021022031200111000
53103144123024341413
642103231003031320
72410261446502665
oct263111215402500
947525770808713
1012310621324608
113a169a5889522
121469a6a20b540
136b3b6ab5c849
14307ba15bba6c
15165362cbd8c3
hexb324a360540

12310621324608 has 224 divisors, whose sum is σ = 33018498270720. Its totient is φ = 4047646464000.

The previous prime is 12310621324607. The next prime is 12310621324667. The reversal of 12310621324608 is 80642312601321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12310621324601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5468955483 + ... + 5468957733.

Almost surely, 212310621324608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12310621324608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16509249135360).

12310621324608 is an abundant number, since it is smaller than the sum of its proper divisors (20707876946112).

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

12310621324608 is a wasteful number, since it uses less digits than its factorization.

12310621324608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3405 (or 3395 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

Adding to 12310621324608 its reverse (80642312601321), we get a palindrome (92952933925929).

The spelling of 12310621324608 in words is "twelve trillion, three hundred ten billion, six hundred twenty-one million, three hundred twenty-four thousand, six hundred eight".