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12634066468420 = 2254713440496243
BaseRepresentation
bin1011011111011001100100…
…0010110011111001000100
31122201210201211000001122021
42313312121002303321010
53123444032003442140
642512002055012524
72442531642040315
oct267663102637104
948653654001567
1012634066468420
114031094174331
12150069736a144
13708506036ac7
143196c63a460c
1516d9938bbb4a
hexb7d990b3e44

12634066468420 has 24 divisors (see below), whose sum is σ = 27096040427904. Its totient is φ = 4946102617056.

The previous prime is 12634066468369. The next prime is 12634066468427. The reversal of 12634066468420 is 2486466043621.

It is a super-2 number, since 2×126340664684202 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12634066468427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6720247182 + ... + 6720249061.

It is an arithmetic number, because the mean of its divisors is an integer number (1129001684496).

Almost surely, 212634066468420 is an apocalyptic number.

12634066468420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12634066468420 is an abundant number, since it is smaller than the sum of its proper divisors (14461973959484).

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

12634066468420 is a wasteful number, since it uses less digits than its factorization.

12634066468420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13440496299 (or 13440496297 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 52.

The spelling of 12634066468420 in words is "twelve trillion, six hundred thirty-four billion, sixty-six million, four hundred sixty-eight thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 13440496243 26880992486 53761984972 67202481215 134404962430 268809924860 631703323421 1263406646842 2526813293684 3158516617105 6317033234210 12634066468420