Base | Representation |
---|---|
bin | 1101100011000101011… |
… | …11101010100000100101 |
3 | 1122111120102002012100211 |
4 | 12301202233222200211 |
5 | 30111332330130041 |
6 | 553504225535421 |
7 | 45426564214042 |
oct | 6614257524045 |
9 | 1574512065324 |
10 | 465513130021 |
11 | 16a472031665 |
12 | 762774a4571 |
13 | 34b89328634 |
14 | 18760d2a1c9 |
15 | c198161481 |
hex | 6c62bea825 |
465513130021 has 8 divisors (see below), whose sum is σ = 476876061144. Its totient is φ = 454150625280.
The previous prime is 465513129989. The next prime is 465513130051. The reversal of 465513130021 is 120031315564.
It can be written as a sum of positive squares in 4 ways, for example, as 17236013796 + 448277116225 = 131286^2 + 669535^2 .
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 465513130021 - 25 = 465513129989 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (465513130051) 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 7 ways as a sum of consecutive naturals, for example, 4230715 + ... + 4339351.
It is an arithmetic number, because the mean of its divisors is an integer number (59609507643).
Almost surely, 2465513130021 is an apocalyptic number.
465513130021 is a gapful number since it is divisible by the number (41) formed by its first and last digit.
It is an amenable number.
465513130021 is a deficient number, since it is larger than the sum of its proper divisors (11362931123).
465513130021 is a wasteful number, since it uses less digits than its factorization.
465513130021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 213191.
The product of its (nonzero) digits is 10800, while the sum is 31.
Adding to 465513130021 its reverse (120031315564), we get a palindrome (585544445585).
The spelling of 465513130021 in words is "four hundred sixty-five billion, five hundred thirteen million, one hundred thirty thousand, twenty-one".
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