Base | Representation |
---|---|
bin | 111011101011000111… |
… | …111111111110101011 |
3 | 20010101110001221000121 |
4 | 323223013333332223 |
5 | 2022211004104341 |
6 | 45234010144111 |
7 | 4425551302354 |
oct | 735307777653 |
9 | 203343057017 |
10 | 64074284971 |
11 | 251a0299724 |
12 | 10502422037 |
13 | 607188a8b8 |
14 | 315ba22d2b |
15 | 1a0029d4d1 |
hex | eeb1fffab |
64074284971 has 16 divisors (see below), whose sum is σ = 67691957760. Its totient is φ = 60526509120.
The previous prime is 64074284941. The next prime is 64074285019. The reversal of 64074284971 is 17948247046.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-64074284971 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (64074284941) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6732106 + ... + 6741616.
It is an arithmetic number, because the mean of its divisors is an integer number (4230747360).
Almost surely, 264074284971 is an apocalyptic number.
64074284971 is a deficient number, since it is larger than the sum of its proper divisors (3617672789).
64074284971 is a wasteful number, since it uses less digits than its factorization.
64074284971 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13146.
The product of its (nonzero) digits is 2709504, while the sum is 52.
The spelling of 64074284971 in words is "sixty-four billion, seventy-four million, two hundred eighty-four thousand, nine hundred seventy-one".
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