| Base | Representation |
|---|---|
| bin | 111011111101001000… |
| … | …100100000011111010 |
| 3 | 20011011111121010000000 |
| 4 | 323331020210003322 |
| 5 | 2023320331011100 |
| 6 | 45324002053430 |
| 7 | 4436210364261 |
| oct | 737510440372 |
| 9 | 204144533000 |
| 10 | 64376422650 |
| 11 | 253358a3191 |
| 12 | 1058764a276 |
| 13 | 60bc3566a7 |
| 14 | 3189bd15d8 |
| 15 | 1a1ba80900 |
| hex | efd2240fa |
64376422650 has 384 divisors, whose sum is σ = 187255514880. Its totient is φ = 16450905600.
The previous prime is 64376422639. The next prime is 64376422661. The reversal of 64376422650 is 5622467346.
64376422650 is a `hidden beast` number, since 6 + 4 + 376 + 4 + 226 + 50 = 666.
It is an interprime number because it is at equal distance from previous prime (64376422639) and next prime (64376422661).
It is a super-2 number, since 2×643764226502 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 64376422596 and 64376422605.
It is an unprimeable number.
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 191 ways as a sum of consecutive naturals, for example, 372117964 + ... + 372118136.
It is an arithmetic number, because the mean of its divisors is an integer number (487644570).
Almost surely, 264376422650 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 64376422650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93627757440).
64376422650 is an abundant number, since it is smaller than the sum of its proper divisors (122879092230).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64376422650 is a wasteful number, since it uses less digits than its factorization.
64376422650 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 330 (or 307 counting only the distinct ones).
The product of its (nonzero) digits is 1451520, while the sum is 45.
Adding to 64376422650 its reverse (5622467346), we get a palindrome (69998889996).
The spelling of 64376422650 in words is "sixty-four billion, three hundred seventy-six million, four hundred twenty-two thousand, six hundred fifty".
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