Base | Representation |
---|---|
bin | 1011011101110111… |
… | …0011111100010001 |
3 | 21221111212220120121 |
4 | 2313131303330101 |
5 | 22300434423312 |
6 | 1225233110241 |
7 | 136163645314 |
oct | 26735637421 |
9 | 7844786517 |
10 | 3078045457 |
11 | 133a527123 |
12 | 71a9b8381 |
13 | 3a090c096 |
14 | 212b2097b |
15 | 13035d707 |
hex | b7773f11 |
3078045457 has 4 divisors (see below), whose sum is σ = 3098430016. Its totient is φ = 3057660900.
The previous prime is 3078045431. The next prime is 3078045473. The reversal of 3078045457 is 7545408703.
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.
It is a cyclic number.
It is not a de Polignac number, because 3078045457 - 231 = 930561809 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3078045757) 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, 10192053 + ... + 10192354.
It is an arithmetic number, because the mean of its divisors is an integer number (774607504).
Almost surely, 23078045457 is an apocalyptic number.
It is an amenable number.
3078045457 is a deficient number, since it is larger than the sum of its proper divisors (20384559).
3078045457 is a wasteful number, since it uses less digits than its factorization.
3078045457 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20384558.
The product of its (nonzero) digits is 470400, while the sum is 43.
The square root of 3078045457 is about 55480.1356973827. The cubic root of 3078045457 is about 1454.6494366084.
The spelling of 3078045457 in words is "three billion, seventy-eight million, forty-five thousand, four hundred fifty-seven".
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