Base | Representation |
---|---|
bin | 10010101010110010001… |
… | …11011010000111010110 |
3 | 2021022200102101110100100 |
4 | 21111121013122013112 |
5 | 41002134440210202 |
6 | 1210401553354530 |
7 | 64225416406215 |
oct | 11253107320726 |
9 | 2238612343310 |
10 | 641445241302 |
11 | 228043130838 |
12 | a4396868a46 |
13 | 4864626b928 |
14 | 2309077d07c |
15 | 11a4368441c |
hex | 95591da1d6 |
641445241302 has 96 divisors (see below), whose sum is σ = 1467467539200. Its totient is φ = 201936563136.
The previous prime is 641445241247. The next prime is 641445241313. The reversal of 641445241302 is 203142544146.
641445241302 is a `hidden beast` number, since 64 + 1 + 44 + 524 + 1 + 30 + 2 = 666.
641445241302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×6414452413022 (a number of 24 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 189271024 + ... + 189274412.
It is an arithmetic number, because the mean of its divisors is an integer number (15286120200).
Almost surely, 2641445241302 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 641445241302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (733733769600).
641445241302 is an abundant number, since it is smaller than the sum of its proper divisors (826022297898).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
641445241302 is a wasteful number, since it uses less digits than its factorization.
641445241302 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4962 (or 4959 counting only the distinct ones).
The product of its (nonzero) digits is 92160, while the sum is 36.
Adding to 641445241302 its reverse (203142544146), we get a palindrome (844587785448).
The spelling of 641445241302 in words is "six hundred forty-one billion, four hundred forty-five million, two hundred forty-one thousand, three hundred two".
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