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64332276288 = 263747866277
BaseRepresentation
bin111011111010100000…
…001010001001000000
320011001102112020120120
4323322200022021000
52023223030320123
645315343540240
74435133216550
oct737240121100
9204042466516
1064332276288
1125312990395
12105748ba680
1360b316a797
143183dbd160
151a17c602e3
hexefa80a240

64332276288 has 56 divisors (see below), whose sum is σ = 194528553792. Its totient is φ = 18380649984.

The previous prime is 64332276287. The next prime is 64332276313. The reversal of 64332276288 is 88267223346.

It is a tau number, because it is divible by the number of its divisors (56).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 64332276288.

It is not an unprimeable number, because it can be changed into a prime (64332276287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23931795 + ... + 23934482.

Almost surely, 264332276288 is an apocalyptic number.

It is an amenable number.

64332276288 is an abundant number, since it is smaller than the sum of its proper divisors (130196277504).

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

64332276288 is a wasteful number, since it uses less digits than its factorization.

64332276288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47866299 (or 47866289 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 51.

The spelling of 64332276288 in words is "sixty-four billion, three hundred thirty-two million, two hundred seventy-six thousand, two hundred eighty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 168 192 224 336 448 672 1344 47866277 95732554 143598831 191465108 287197662 335063939 382930216 574395324 670127878 765860432 1005191817 1148790648 1340255756 1531720864 2010383634 2297581296 2680511512 3063441728 4020767268 4595162592 5361023024 8041534536 9190325184 10722046048 16083069072 21444092096 32166138144 64332276288