Base | Representation |
---|---|
bin | 11110000000111111001110… |
… | …10001011110011000010111 |
3 | 22122200222112000201022122022 |
4 | 33000133213101132120113 |
5 | 32122410001443233130 |
6 | 352214040355323355 |
7 | 16621451400502604 |
oct | 1700374721363027 |
9 | 278628460638568 |
10 | 66004642555415 |
11 | 1a038458a92113 |
12 | 74a01852b055b |
13 | 2aaa2989a82a5 |
14 | 12428dad3d6ab |
15 | 796deb3d77e5 |
hex | 3c07e745e617 |
66004642555415 has 4 divisors (see below), whose sum is σ = 79205571066504. Its totient is φ = 52803714044328.
The previous prime is 66004642555231. The next prime is 66004642555433. The reversal of 66004642555415 is 51455524640066.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 66004642555415 - 222 = 66004638361111 is a prime.
It is a super-2 number, since 2×660046425554152 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6600464255537 + ... + 6600464255546.
It is an arithmetic number, because the mean of its divisors is an integer number (19801392766626).
Almost surely, 266004642555415 is an apocalyptic number.
66004642555415 is a deficient number, since it is larger than the sum of its proper divisors (13200928511089).
66004642555415 is a wasteful number, since it uses less digits than its factorization.
66004642555415 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13200928511088.
The product of its (nonzero) digits is 17280000, while the sum is 53.
The spelling of 66004642555415 in words is "sixty-six trillion, four billion, six hundred forty-two million, five hundred fifty-five thousand, four hundred fifteen".
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