Base | Representation |
---|---|
bin | 111011111000101111… |
… | …001111110110011001 |
3 | 20010222100211110112111 |
4 | 323320233033312121 |
5 | 2023142441134101 |
6 | 45312405312321 |
7 | 4434323511454 |
oct | 737057176631 |
9 | 203870743474 |
10 | 64302677401 |
11 | 252a82042a6 |
12 | 10566a056a1 |
13 | 60a9ca6251 |
14 | 31800b649b |
15 | 1a15365251 |
hex | ef8bcfd99 |
64302677401 has 4 divisors (see below), whose sum is σ = 64475071012. Its totient is φ = 64130283792.
The previous prime is 64302677393. The next prime is 64302677441. The reversal of 64302677401 is 10477620346.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 21461957001 + 42840720400 = 146499^2 + 206980^2 .
It is a cyclic number.
It is not a de Polignac number, because 64302677401 - 23 = 64302677393 is a prime.
It is a super-2 number, since 2×643026774012 (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 (64302677441) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86196246 + ... + 86196991.
It is an arithmetic number, because the mean of its divisors is an integer number (16118767753).
Almost surely, 264302677401 is an apocalyptic number.
It is an amenable number.
64302677401 is a deficient number, since it is larger than the sum of its proper divisors (172393611).
64302677401 is a wasteful number, since it uses less digits than its factorization.
64302677401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 172393610.
The product of its (nonzero) digits is 169344, while the sum is 40.
The spelling of 64302677401 in words is "sixty-four billion, three hundred two million, six hundred seventy-seven thousand, four hundred one".
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