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12310621324668 = 22321337092557507
BaseRepresentation
bin1011001100100100101000…
…1101100000010101111100
31121120212212100220022212200
42303021022031200111330
53103144123024342133
642103231003031500
72410261446503112
oct263111215402574
947525770808780
1012310621324668
113a169a5889577
121469a6a20b590
136b3b6ab5c894
14307ba15bbab2
15165362cbd913
hexb324a36057c

12310621324668 has 36 divisors (see below), whose sum is σ = 31118759915880. Its totient is φ = 4103508146976.

The previous prime is 12310621324667. The next prime is 12310621324693. The reversal of 12310621324668 is 86642312601321.

12310621324668 is a `hidden beast` number, since 1 + 2 + 3 + 10 + 621 + 3 + 2 + 4 + 6 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12310621324667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3534771 + ... + 6092277.

Almost surely, 212310621324668 is an apocalyptic number.

12310621324668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12310621324668 is an abundant number, since it is smaller than the sum of its proper divisors (18808138591212).

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

12310621324668 is a wasteful number, since it uses less digits than its factorization.

12310621324668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2691226 (or 2691221 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

Adding to 12310621324668 its reverse (86642312601321), we get a palindrome (98952933925989).

The spelling of 12310621324668 in words is "twelve trillion, three hundred ten billion, six hundred twenty-one million, three hundred twenty-four thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 133709 267418 401127 534836 802254 1203381 1604508 2406762 2557507 4813524 5115014 7672521 10230028 15345042 23017563 30690084 46035126 92070252 341961703463 683923406926 1025885110389 1367846813852 2051770220778 3077655331167 4103540441556 6155310662334 12310621324668