Base | Representation |
---|---|
bin | 111100100011111001… |
… | …111110011101101101 |
3 | 20012211211121021222100 |
4 | 330203321332131231 |
5 | 2031133342110221 |
6 | 45512320205313 |
7 | 4461266421111 |
oct | 744371763555 |
9 | 205754537870 |
10 | 65026910061 |
11 | 25639aa4a93 |
12 | 10729469839 |
13 | 619404b499 |
14 | 320c35b741 |
15 | 1a58c22926 |
hex | f23e7e76d |
65026910061 has 12 divisors (see below), whose sum is σ = 93955649788. Its totient is φ = 43338400704.
The previous prime is 65026910027. The next prime is 65026910087. The reversal of 65026910061 is 16001962056.
65026910061 is a `hidden beast` number, since 6 + 502 + 6 + 91 + 0 + 0 + 61 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 62517501225 + 2509408836 = 250035^2 + 50094^2 .
It is a de Polignac number, because none of the positive numbers 2k-65026910061 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 65026909998 and 65026910025.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (65026912061) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1040680 + ... + 1101393.
Almost surely, 265026910061 is an apocalyptic number.
It is an amenable number.
65026910061 is a deficient number, since it is larger than the sum of its proper divisors (28928739727).
65026910061 is a wasteful number, since it uses less digits than its factorization.
65026910061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2145452 (or 2145449 counting only the distinct ones).
The product of its (nonzero) digits is 19440, while the sum is 36.
The spelling of 65026910061 in words is "sixty-five billion, twenty-six million, nine hundred ten thousand, sixty-one".
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