Base | Representation |
---|---|
bin | 101101110100111… |
… | …001011111000101 |
3 | 1222120201012111101 |
4 | 231310321133011 |
5 | 3033310413134 |
6 | 204142540101 |
7 | 25024021621 |
oct | 5564713705 |
9 | 1876635441 |
10 | 768841669 |
11 | 364a9a142 |
12 | 195597631 |
13 | c33938cb |
14 | 74178181 |
15 | 4776ee14 |
hex | 2dd397c5 |
768841669 has 8 divisors (see below), whose sum is σ = 812075040. Its totient is φ = 725885136.
The previous prime is 768841663. The next prime is 768841693. The reversal of 768841669 is 966148867.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 768841669 - 213 = 768833477 is a prime.
It is a super-2 number, since 2×7688416692 = 1182235023981411122, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (768841663) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63487 + ... + 74620.
It is an arithmetic number, because the mean of its divisors is an integer number (101509380).
Almost surely, 2768841669 is an apocalyptic number.
It is an amenable number.
768841669 is a deficient number, since it is larger than the sum of its proper divisors (43233371).
768841669 is a wasteful number, since it uses less digits than its factorization.
768841669 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 138419.
The product of its digits is 3483648, while the sum is 55.
The square root of 768841669 is about 27727.9943198205. The cubic root of 768841669 is about 916.1058102728.
The spelling of 768841669 in words is "seven hundred sixty-eight million, eight hundred forty-one thousand, six hundred sixty-nine".
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