Base | Representation |
---|---|
bin | 1111100001111… |
… | …1110011001001 |
3 | 11112120112222020 |
4 | 3320133303021 |
5 | 113134020321 |
6 | 10244115053 |
7 | 1420461153 |
oct | 370376311 |
9 | 145515866 |
10 | 65141961 |
11 | 33853135 |
12 | 19995a89 |
13 | 1065a551 |
14 | 8919ad3 |
15 | 5abb4c6 |
hex | 3e1fcc9 |
65141961 has 8 divisors (see below), whose sum is σ = 88280064. Its totient is φ = 42715920.
The previous prime is 65141927. The next prime is 65141981. The reversal of 65141961 is 16914156.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 65141961 - 27 = 65141833 is a prime.
It is not an unprimeable number, because it can be changed into a prime (65141981) 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, 177801 + ... + 178166.
It is an arithmetic number, because the mean of its divisors is an integer number (11035008).
Almost surely, 265141961 is an apocalyptic number.
65141961 is a gapful number since it is divisible by the number (61) formed by its first and last digit.
It is an amenable number.
65141961 is a deficient number, since it is larger than the sum of its proper divisors (23138103).
65141961 is a wasteful number, since it uses less digits than its factorization.
65141961 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 356031.
The product of its digits is 6480, while the sum is 33.
The square root of 65141961 is about 8071.0569939754. The cubic root of 65141961 is about 402.3650739192.
The spelling of 65141961 in words is "sixty-five million, one hundred forty-one thousand, nine hundred sixty-one".
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