Base | Representation |
---|---|
bin | 101101110001111… |
… | …101000010110010 |
3 | 1222112020222201000 |
4 | 231301331002302 |
5 | 3033111213220 |
6 | 204114222430 |
7 | 25014325404 |
oct | 5561750262 |
9 | 1875228630 |
10 | 768069810 |
11 | 364612242 |
12 | 195284a16 |
13 | c31834a1 |
14 | 74016b74 |
15 | 4766b390 |
hex | 2dc7d0b2 |
768069810 has 64 divisors (see below), whose sum is σ = 2098172160. Its totient is φ = 199820160.
The previous prime is 768069793. The next prime is 768069811. The reversal of 768069810 is 18960867.
It is a happy number.
It is a super-2 number, since 2×7680698102 = 1179862466066872200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is not an unprimeable number, because it can be changed into a prime (768069811) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23622 + ... + 45761.
It is an arithmetic number, because the mean of its divisors is an integer number (32783940).
Almost surely, 2768069810 is an apocalyptic number.
768069810 is an abundant number, since it is smaller than the sum of its proper divisors (1330102350).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
768069810 is a wasteful number, since it uses less digits than its factorization.
768069810 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69440 (or 69434 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 45.
The square root of 768069810 is about 27714.0724181777. The cubic root of 768069810 is about 915.7991405983.
The spelling of 768069810 in words is "seven hundred sixty-eight million, sixty-nine thousand, eight hundred ten".
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