Base | Representation |
---|---|
bin | 111000110111101110… |
… | …011101010110001000 |
3 | 12211121200120101010100 |
4 | 320313232131112020 |
5 | 2000030000432343 |
6 | 44015211245400 |
7 | 4261143261336 |
oct | 706756352610 |
9 | 184550511110 |
10 | 61064467848 |
11 | 2399633355a |
12 | ba02449860 |
13 | 59b2149b17 |
14 | 2d53dc2b56 |
15 | 18c5e1a9d3 |
hex | e37b9d588 |
61064467848 has 48 divisors (see below), whose sum is σ = 165403122300. Its totient is φ = 20352337920.
The previous prime is 61064467847. The next prime is 61064467853. The reversal of 61064467848 is 84876446016.
It can be written as a sum of positive squares in 2 ways, for example, as 60112251684 + 952216164 = 245178^2 + 30858^2 .
It is a super-2 number, since 2×610644678482 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 61064467794 and 61064467803.
It is not an unprimeable number, because it can be changed into a prime (61064467847) 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, 598488 + ... + 693048.
Almost surely, 261064467848 is an apocalyptic number.
It is an amenable number.
61064467848 is an abundant number, since it is smaller than the sum of its proper divisors (104338654452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61064467848 is a wasteful number, since it uses less digits than its factorization.
61064467848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 103542 (or 103535 counting only the distinct ones).
The product of its (nonzero) digits is 6193152, while the sum is 54.
The spelling of 61064467848 in words is "sixty-one billion, sixty-four million, four hundred sixty-seven thousand, eight hundred forty-eight".
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