Base | Representation |
---|---|
bin | 10010101101101100100… |
… | …01011010101010110100 |
3 | 2021110201100021020200020 |
4 | 21112312101122222310 |
5 | 41013340041133400 |
6 | 1211221024045140 |
7 | 64312225030035 |
oct | 11266621325264 |
9 | 2243640236606 |
10 | 643008146100 |
11 | 2287753762a1 |
12 | a47521637b0 |
13 | 48834cb7078 |
14 | 2319c178a8c |
15 | 11ad59a72a0 |
hex | 95b645aab4 |
643008146100 has 36 divisors (see below), whose sum is σ = 1860436903584. Its totient is φ = 171468838880.
The previous prime is 643008146069. The next prime is 643008146107. The reversal of 643008146100 is 1641800346.
643008146100 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-3 number, since 3×6430081461003 (a number of 36 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (643008146107) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1071679944 + ... + 1071680543.
Almost surely, 2643008146100 is an apocalyptic number.
643008146100 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
643008146100 is an abundant number, since it is smaller than the sum of its proper divisors (1217428757484).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
643008146100 is a wasteful number, since it uses less digits than its factorization.
643008146100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2143360504 (or 2143360497 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 33.
Adding to 643008146100 its reverse (1641800346), we get a palindrome (644649946446).
The spelling of 643008146100 in words is "six hundred forty-three billion, eight million, one hundred forty-six thousand, one hundred".
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