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64418205368764 = 22131238811641707
BaseRepresentation
bin11101010010110100010000…
…01111111000000110111100
322110002022122111021010220101
432221122020033320012330
531420411441033300024
6345001152012530444
716366030116062452
oct1651321017700674
9273068574233811
1064418205368764
1119586675608085
12728481a780a24
1329c37c292c6c0
1411c9c01a449d2
1576a9ea879c44
hex3a96883f81bc

64418205368764 has 12 divisors (see below), whose sum is σ = 121403540887384. Its totient is φ = 29731479400944.

The previous prime is 64418205368743. The next prime is 64418205368773. The reversal of 64418205368764 is 46786350281446.

64418205368764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 64418205368696 and 64418205368705.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 619405820802 + ... + 619405820905.

Almost surely, 264418205368764 is an apocalyptic number.

It is an amenable number.

64418205368764 is a deficient number, since it is larger than the sum of its proper divisors (56985335518620).

64418205368764 is a wasteful number, since it uses less digits than its factorization.

64418205368764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238811641724 (or 1238811641722 counting only the distinct ones).

The product of its (nonzero) digits is 185794560, while the sum is 64.

The spelling of 64418205368764 in words is "sixty-four trillion, four hundred eighteen billion, two hundred five million, three hundred sixty-eight thousand, seven hundred sixty-four".

Divisors: 1 2 4 13 26 52 1238811641707 2477623283414 4955246566828 16104551342191 32209102684382 64418205368764