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64074451536672 = 253667442203507
BaseRepresentation
bin11101001000110011111101…
…11011000100101100100000
322101212110100200210011002120
432210121332323010230200
531344243434043133142
6344135221403144240
716332140432524323
oct1644317673045440
9271773320704076
1064074451536672
1119463905525175
12722a084215080
13299a26c12a225
1411b73119807ba
15761acbd877ec
hex3a467eec4b20

64074451536672 has 24 divisors (see below), whose sum is σ = 168195435284016. Its totient is φ = 21358150512192.

The previous prime is 64074451536631. The next prime is 64074451536743. The reversal of 64074451536672 is 27663515447046.

64074451536672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

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, 333721101658 + ... + 333721101849.

It is an arithmetic number, because the mean of its divisors is an integer number (7008143136834).

Almost surely, 264074451536672 is an apocalyptic number.

It is an amenable number.

64074451536672 is an abundant number, since it is smaller than the sum of its proper divisors (104120983747344).

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

64074451536672 is a wasteful number, since it uses less digits than its factorization.

64074451536672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667442203520 (or 667442203512 counting only the distinct ones).

The product of its (nonzero) digits is 101606400, while the sum is 60.

The spelling of 64074451536672 in words is "sixty-four trillion, seventy-four billion, four hundred fifty-one million, five hundred thirty-six thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 667442203507 1334884407014 2002326610521 2669768814028 4004653221042 5339537628056 8009306442084 10679075256112 16018612884168 21358150512224 32037225768336 64074451536672