Base | Representation |
---|---|
bin | 1011101110000010… |
… | …0001000011011001 |
3 | 22010020111102021201 |
4 | 2323200201003121 |
5 | 22420320112020 |
6 | 1240054434201 |
7 | 140646253240 |
oct | 27340410331 |
9 | 8106442251 |
10 | 3145863385 |
11 | 13748377a5 |
12 | 739662961 |
13 | 3b1995632 |
14 | 21bb35957 |
15 | 1362a7a0a |
hex | bb8210d9 |
3145863385 has 16 divisors (see below), whose sum is σ = 4375095552. Its totient is φ = 2126779200.
The previous prime is 3145863337. The next prime is 3145863401. The reversal of 3145863385 is 5833685413.
It is not a de Polignac number, because 3145863385 - 27 = 3145863257 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 630486 + ... + 635455.
It is an arithmetic number, because the mean of its divisors is an integer number (273443472).
Almost surely, 23145863385 is an apocalyptic number.
3145863385 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
3145863385 is a deficient number, since it is larger than the sum of its proper divisors (1229232167).
3145863385 is a wasteful number, since it uses less digits than its factorization.
3145863385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1266024.
The product of its digits is 1036800, while the sum is 46.
The square root of 3145863385 is about 56087.9967996719. The cubic root of 3145863385 is about 1465.2552502863.
The spelling of 3145863385 in words is "three billion, one hundred forty-five million, eight hundred sixty-three thousand, three hundred eighty-five".
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