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64080804467 = 569571197233
BaseRepresentation
bin111011101011100000…
…110111101001110011
320010101220100011002102
4323223200313221303
52022214141220332
645234402011015
74425660564551
oct735340675163
9203356304072
1064080804467
11251a3a41939
1210504646a6b
1360730311a4
14315c83cbd1
151a00b3a062
hexeeb837a73

64080804467 has 8 divisors (see below), whose sum is σ = 64306173360. Its totient is φ = 63855832320.

The previous prime is 64080804433. The next prime is 64080804497. The reversal of 64080804467 is 76440808046.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64080804467 - 210 = 64080803443 is a prime.

It is a super-2 number, since 2×640808044672 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64080804427) 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, 226283 + ... + 423515.

It is an arithmetic number, because the mean of its divisors is an integer number (8038271670).

Almost surely, 264080804467 is an apocalyptic number.

64080804467 is a deficient number, since it is larger than the sum of its proper divisors (225368893).

64080804467 is a wasteful number, since it uses less digits than its factorization.

64080804467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198373.

The product of its (nonzero) digits is 1032192, while the sum is 47.

The spelling of 64080804467 in words is "sixty-four billion, eighty million, eight hundred four thousand, four hundred sixty-seven".

Divisors: 1 569 571 197233 324899 112225577 112620043 64080804467