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6494134864672 = 2571317661198463
BaseRepresentation
bin101111010000000100010…
…0110100000101100100000
3211222211111102110112000101
41132200020212200230200
51322344442011132142
621451210412032144
71240120500363610
oct136401046405440
924884442415011
106494134864672
112084168913974
1288a734762654
133815183418a0
141864640aca40
15b3dd9c230b7
hex5e8089a0b20

6494134864672 has 192 divisors, whose sum is σ = 16686713401344. Its totient is φ = 2414314045440.

The previous prime is 6494134864619. The next prime is 6494134864703. The reversal of 6494134864672 is 2764684314946.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32622913 + ... + 32821375.

It is an arithmetic number, because the mean of its divisors is an integer number (86909965632).

Almost surely, 26494134864672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6494134864672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8343356700672).

6494134864672 is an abundant number, since it is smaller than the sum of its proper divisors (10192578536672).

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

6494134864672 is a wasteful number, since it uses less digits than its factorization.

6494134864672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199171 (or 199163 counting only the distinct ones).

The product of its digits is 167215104, while the sum is 64.

The spelling of 6494134864672 in words is "six trillion, four hundred ninety-four billion, one hundred thirty-four million, eight hundred sixty-four thousand, six hundred seventy-two".