Base | Representation |
---|---|
bin | 111100010000011110… |
… | …010010010101111110 |
3 | 20012000010010110210000 |
4 | 330100132102111332 |
5 | 2030001411244400 |
6 | 45420112255130 |
7 | 4450230304614 |
oct | 742036222576 |
9 | 205003113700 |
10 | 64700884350 |
11 | 25491a65053 |
12 | 106582414a6 |
13 | 614163a66b |
14 | 31bad316b4 |
15 | 1a3a2c2600 |
hex | f1079257e |
64700884350 has 240 divisors, whose sum is σ = 189152487216. Its totient is φ = 16376256000.
The previous prime is 64700884343. The next prime is 64700884351. The reversal of 64700884350 is 5348800746.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a junction number, because it is equal to n+sod(n) for n = 64700884296 and 64700884305.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64700884351) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 6138585 + ... + 6149115.
Almost surely, 264700884350 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 64700884350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94576243608).
64700884350 is an abundant number, since it is smaller than the sum of its proper divisors (124451602866).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64700884350 is a wasteful number, since it uses less digits than its factorization.
64700884350 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10633 (or 10619 counting only the distinct ones).
The product of its (nonzero) digits is 645120, while the sum is 45.
The spelling of 64700884350 in words is "sixty-four billion, seven hundred million, eight hundred eighty-four thousand, three hundred fifty".
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