Base | Representation |
---|---|
bin | 111011111111101101… |
… | …110101101000000010 |
3 | 20011021112010021200201 |
4 | 323333231311220002 |
5 | 2023412423421404 |
6 | 45332150435414 |
7 | 4440244553263 |
oct | 737755655002 |
9 | 204245107621 |
10 | 64419748354 |
11 | 253582a5455 |
12 | 1059a062b6a |
13 | 60c8315bc0 |
14 | 319186c96a |
15 | 1a2078cca4 |
hex | effb75a02 |
64419748354 has 32 divisors (see below), whose sum is σ = 110377403136. Its totient is φ = 27934122240.
The previous prime is 64419748339. The next prime is 64419748373. The reversal of 64419748354 is 45384791446.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 64419748295 and 64419748304.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124759 + ... + 380005.
It is an arithmetic number, because the mean of its divisors is an integer number (3449293848).
Almost surely, 264419748354 is an apocalyptic number.
64419748354 is a deficient number, since it is larger than the sum of its proper divisors (45957654782).
64419748354 is a wasteful number, since it uses less digits than its factorization.
64419748354 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 255850.
The product of its digits is 11612160, while the sum is 55.
The spelling of 64419748354 in words is "sixty-four billion, four hundred nineteen million, seven hundred forty-eight thousand, three hundred fifty-four".
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