Base | Representation |
---|---|
bin | 10010101010100101111… |
… | …10000111100010001000 |
3 | 2021022102020101111111220 |
4 | 21111102332013202020 |
5 | 41001432042030400 |
6 | 1210343431522040 |
7 | 64223025160005 |
oct | 11252276074210 |
9 | 2238366344456 |
10 | 641342142600 |
11 | 227a9aa131a5 |
12 | a4368229320 |
13 | 4862aab1893 |
14 | 23080bc28ac |
15 | 11a395bb7a0 |
hex | 9552f87888 |
641342142600 has 192 divisors, whose sum is σ = 2019555115200. Its totient is φ = 168344417280.
The previous prime is 641342142593. The next prime is 641342142643. The reversal of 641342142600 is 6241243146.
It is a happy number.
It is a super-2 number, since 2×6413421426002 (a number of 24 digits) contains 22 as substring.
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, 10047586 + ... + 10111214.
It is an arithmetic number, because the mean of its divisors is an integer number (10518516225).
Almost surely, 2641342142600 is an apocalyptic number.
641342142600 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 641342142600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1009777557600).
641342142600 is an abundant number, since it is smaller than the sum of its proper divisors (1378212972600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
641342142600 is a wasteful number, since it uses less digits than its factorization.
641342142600 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63912 (or 63903 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 33.
Adding to 641342142600 its reverse (6241243146), we get a palindrome (647583385746).
The spelling of 641342142600 in words is "six hundred forty-one billion, three hundred forty-two million, one hundred forty-two thousand, six hundred".
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