Base | Representation |
---|---|
bin | 10010101001001111011… |
… | …00100010010000000001 |
3 | 2021020112122020101100101 |
4 | 21110213230202100001 |
5 | 40443440211110103 |
6 | 1210143414322401 |
7 | 64166031055042 |
oct | 11244754422001 |
9 | 2236478211311 |
10 | 640616113153 |
11 | 227758105565 |
12 | a41a5059401 |
13 | 4854355a863 |
14 | 230125d08c9 |
15 | 119e59a6a1d |
hex | 9527b22401 |
640616113153 has 8 divisors (see below), whose sum is σ = 643676392800. Its totient is φ = 637556062080.
The previous prime is 640616113129. The next prime is 640616113187. The reversal of 640616113153 is 351311616046.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 640616113153 - 25 = 640616113121 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (640616110153) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8889201 + ... + 8960977.
It is an arithmetic number, because the mean of its divisors is an integer number (80459549100).
Almost surely, 2640616113153 is an apocalyptic number.
It is an amenable number.
640616113153 is a deficient number, since it is larger than the sum of its proper divisors (3060279647).
640616113153 is a wasteful number, since it uses less digits than its factorization.
640616113153 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 114287.
The product of its (nonzero) digits is 38880, while the sum is 37.
Adding to 640616113153 its reverse (351311616046), we get a palindrome (991927729199).
The spelling of 640616113153 in words is "six hundred forty billion, six hundred sixteen million, one hundred thirteen thousand, one hundred fifty-three".
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