Base | Representation |
---|---|
bin | 101000100010100… |
… | …010110010001010 |
3 | 1202101210220011220 |
4 | 220202202302022 |
5 | 2343104102020 |
6 | 151253502510 |
7 | 22566062100 |
oct | 5042426212 |
9 | 1671726156 |
10 | 680144010 |
11 | 319a18297 |
12 | 16b941a36 |
13 | aaba96a0 |
14 | 66489c70 |
15 | 3ea9e240 |
hex | 288a2c8a |
680144010 has 96 divisors (see below), whose sum is σ = 2044973952. Its totient is φ = 143498880.
The previous prime is 680143967. The next prime is 680144011. The reversal of 680144010 is 10441086.
It is not an unprimeable number, because it can be changed into a prime (680144011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1315 + ... + 36905.
It is an arithmetic number, because the mean of its divisors is an integer number (21301812).
Almost surely, 2680144010 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 680144010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1022486976).
680144010 is an abundant number, since it is smaller than the sum of its proper divisors (1364829942).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
680144010 is a wasteful number, since it uses less digits than its factorization.
680144010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35628 (or 35621 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 24.
The square root of 680144010 is about 26079.5707403324. The cubic root of 680144010 is about 879.4280072500.
Adding to 680144010 its reverse (10441086), we get a palindrome (690585096).
The spelling of 680144010 in words is "six hundred eighty million, one hundred forty-four thousand, ten".
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