Base | Representation |
---|---|
bin | 111011110101001000… |
… | …001011100010000010 |
3 | 20010211010212001001212 |
4 | 323311020023202002 |
5 | 2023031434320300 |
6 | 45302403130122 |
7 | 4432656610106 |
oct | 736510134202 |
9 | 203733761055 |
10 | 64242104450 |
11 | 25276aa1a07 |
12 | 1054a673942 |
13 | 609a588574 |
14 | 3176029906 |
15 | 1a0ed9c935 |
hex | ef520b882 |
64242104450 has 48 divisors (see below), whose sum is σ = 123930044160. Its totient is φ = 24749928000.
The previous prime is 64242104431. The next prime is 64242104453. The reversal of 64242104450 is 5440124246.
It is not an unprimeable number, because it can be changed into a prime (64242104453) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 228836 + ... + 425264.
It is an arithmetic number, because the mean of its divisors is an integer number (2581875920).
Almost surely, 264242104450 is an apocalyptic number.
64242104450 is a deficient number, since it is larger than the sum of its proper divisors (59687939710).
64242104450 is a wasteful number, since it uses less digits than its factorization.
64242104450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 196683 (or 196678 counting only the distinct ones).
The product of its (nonzero) digits is 30720, while the sum is 32.
Adding to 64242104450 its reverse (5440124246), we get a palindrome (69682228696).
The spelling of 64242104450 in words is "sixty-four billion, two hundred forty-two million, one hundred four thousand, four hundred fifty".
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