Base | Representation |
---|---|
bin | 11000000000010011… |
… | …00100101101010110 |
3 | 1020021010221100010121 |
4 | 30000021210231112 |
5 | 202343134132132 |
6 | 5530445542154 |
7 | 634235122255 |
oct | 140011445526 |
9 | 36233840117 |
10 | 12887411542 |
11 | 5513676045 |
12 | 25b7b7495a |
13 | 12a4c71405 |
14 | 8a381c79c |
15 | 506612497 |
hex | 300264b56 |
12887411542 has 16 divisors (see below), whose sum is σ = 20652258240. Its totient is φ = 6013449288.
The previous prime is 12887411533. The next prime is 12887411557. The reversal of 12887411542 is 24511478821.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2528368 + ... + 2533459.
It is an arithmetic number, because the mean of its divisors is an integer number (1290766140).
Almost surely, 212887411542 is an apocalyptic number.
12887411542 is a deficient number, since it is larger than the sum of its proper divisors (7764846698).
12887411542 is a wasteful number, since it uses less digits than its factorization.
12887411542 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5061915.
The product of its digits is 143360, while the sum is 43.
The spelling of 12887411542 in words is "twelve billion, eight hundred eighty-seven million, four hundred eleven thousand, five hundred forty-two".
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