Base | Representation |
---|---|
bin | 1101101101100110… |
… | …1010001101110001 |
3 | 100111112022222001020 |
4 | 3123121222031301 |
5 | 30014304434232 |
6 | 1405131130053 |
7 | 160134306135 |
oct | 33331521561 |
9 | 10445288036 |
10 | 3680936817 |
11 | 161987a348 |
12 | 8688a3929 |
13 | 4687aaa2c |
14 | 26cc1b3c5 |
15 | 16824ce2c |
hex | db66a371 |
3680936817 has 4 divisors (see below), whose sum is σ = 4907915760. Its totient is φ = 2453957876.
The previous prime is 3680936803. The next prime is 3680936821. The reversal of 3680936817 is 7186390863.
3680936817 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7186390863 = 3 ⋅2395463621.
It is a cyclic number.
It is not a de Polignac number, because 3680936817 - 24 = 3680936801 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 3680936817.
It is not an unprimeable number, because it can be changed into a prime (3680936317) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 613489467 + ... + 613489472.
It is an arithmetic number, because the mean of its divisors is an integer number (1226978940).
Almost surely, 23680936817 is an apocalyptic number.
It is an amenable number.
3680936817 is a deficient number, since it is larger than the sum of its proper divisors (1226978943).
3680936817 is a wasteful number, since it uses less digits than its factorization.
3680936817 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1226978942.
The product of its (nonzero) digits is 1306368, while the sum is 51.
The square root of 3680936817 is about 60670.7245465224. The cubic root of 3680936817 is about 1544.0195239070.
The spelling of 3680936817 in words is "three billion, six hundred eighty million, nine hundred thirty-six thousand, eight hundred seventeen".
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