Base | Representation |
---|---|
bin | 11101010011100100110111… |
… | …01111000001010111011111 |
3 | 22110011211000012212122200000 |
4 | 32221302123233001113133 |
5 | 31421323412314312111 |
6 | 345021145332305343 |
7 | 16400642611501653 |
oct | 1651623357012737 |
9 | 273154005778600 |
10 | 64444302104031 |
11 | 19596747529593 |
12 | 72898a2472253 |
13 | 29c60c14428a5 |
14 | 11cb19991aa63 |
15 | 76b52698ac56 |
hex | 3a9c9bbc15df |
64444302104031 has 24 divisors (see below), whose sum is σ = 96544369578384. Its totient is φ = 42958187040960.
The previous prime is 64444302104023. The next prime is 64444302104033. The reversal of 64444302104031 is 13040120344446.
64444302104031 is a `hidden beast` number, since 6 + 4 + 4 + 4 + 4 + 30 + 210 + 403 + 1 = 666.
It is not a de Polignac number, because 64444302104031 - 23 = 64444302104023 is a prime.
It is a super-2 number, since 2×644443021040312 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64444302104033) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12212046 + ... + 16674011.
It is an arithmetic number, because the mean of its divisors is an integer number (4022682065766).
Almost surely, 264444302104031 is an apocalyptic number.
64444302104031 is a deficient number, since it is larger than the sum of its proper divisors (32100067474353).
64444302104031 is an equidigital number, since it uses as much as digits as its factorization.
64444302104031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28895253 (or 28895241 counting only the distinct ones).
The product of its (nonzero) digits is 110592, while the sum is 36.
Adding to 64444302104031 its reverse (13040120344446), we get a palindrome (77484422448477).
The spelling of 64444302104031 in words is "sixty-four trillion, four hundred forty-four billion, three hundred two million, one hundred four thousand, thirty-one".
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