Base | Representation |
---|---|
bin | 11000000000010001… |
… | …11101101010010110 |
3 | 1020021010122012202001 |
4 | 30000020331222112 |
5 | 202343114022411 |
6 | 5530442305514 |
7 | 634233555055 |
oct | 140010755226 |
9 | 36233565661 |
10 | 12887251606 |
11 | 5513576969 |
12 | 25b7ab829a |
13 | 12a4c16688 |
14 | 8a37ba39c |
15 | 5065cedc1 |
hex | 30023da96 |
12887251606 has 16 divisors (see below), whose sum is σ = 19609460640. Its totient is φ = 6350823360.
The previous prime is 12887251603. The next prime is 12887251631. The reversal of 12887251606 is 60615278821.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12887251603) 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, 488260 + ... + 513976.
It is an arithmetic number, because the mean of its divisors is an integer number (1225591290).
Almost surely, 212887251606 is an apocalyptic number.
12887251606 is a deficient number, since it is larger than the sum of its proper divisors (6722209034).
12887251606 is a wasteful number, since it uses less digits than its factorization.
12887251606 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29319.
The product of its (nonzero) digits is 322560, while the sum is 46.
The spelling of 12887251606 in words is "twelve billion, eight hundred eighty-seven million, two hundred fifty-one thousand, six hundred six".
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