Base | Representation |
---|---|
bin | 111011101110010001… |
… | …101001011111010101 |
3 | 20010112010112112122022 |
4 | 323232101221133111 |
5 | 2022313022132231 |
6 | 45243135142525 |
7 | 4430062514105 |
oct | 735621513725 |
9 | 203463475568 |
10 | 64127145941 |
11 | 25218113981 |
12 | 10518074a45 |
13 | 607c808291 |
14 | 3164a63205 |
15 | 1a04c40c7b |
hex | eee4697d5 |
64127145941 has 8 divisors (see below), whose sum is σ = 66271271424. Its totient is φ = 61987739760.
The previous prime is 64127145911. The next prime is 64127145949. The reversal of 64127145941 is 14954172146.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 64127145941 - 226 = 64060037077 is a prime.
It is a super-2 number, since 2×641271459412 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 64127145892 and 64127145901.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64127145949) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1152185 + ... + 1206558.
It is an arithmetic number, because the mean of its divisors is an integer number (8283908928).
Almost surely, 264127145941 is an apocalyptic number.
It is an amenable number.
64127145941 is a deficient number, since it is larger than the sum of its proper divisors (2144125483).
64127145941 is a wasteful number, since it uses less digits than its factorization.
64127145941 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2359651.
The product of its digits is 241920, while the sum is 44.
The spelling of 64127145941 in words is "sixty-four billion, one hundred twenty-seven million, one hundred forty-five thousand, nine hundred forty-one".
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