Base | Representation |
---|---|
bin | 11000000010011001… |
… | …11000111011111101 |
3 | 1020022101010212120210 |
4 | 30001030320323331 |
5 | 202412143324140 |
6 | 5532320103033 |
7 | 634541116635 |
oct | 140114707375 |
9 | 36271125523 |
10 | 12905058045 |
11 | 5522629130 |
12 | 2601a64a79 |
13 | 12a880c529 |
14 | 8a5cd36c5 |
15 | 507e4ad80 |
hex | 301338efd |
12905058045 has 32 divisors (see below), whose sum is σ = 23251820544. Its totient is φ = 6055156800.
The previous prime is 12905058013. The next prime is 12905058053. The reversal of 12905058045 is 54085050921.
It is not a de Polignac number, because 12905058045 - 25 = 12905058013 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12905057994 and 12905058012.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1256377 + ... + 1266606.
It is an arithmetic number, because the mean of its divisors is an integer number (726619392).
Almost surely, 212905058045 is an apocalyptic number.
12905058045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12905058045 is a deficient number, since it is larger than the sum of its proper divisors (10346762499).
12905058045 is a wasteful number, since it uses less digits than its factorization.
12905058045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2523033.
The product of its (nonzero) digits is 72000, while the sum is 39.
The spelling of 12905058045 in words is "twelve billion, nine hundred five million, fifty-eight thousand, forty-five".
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