Base | Representation |
---|---|
bin | 10111000110111110… |
… | …01010011111001111 |
3 | 1012000122002010110221 |
4 | 23203133022133033 |
5 | 200402033011142 |
6 | 5411031012211 |
7 | 616305532240 |
oct | 134337123717 |
9 | 35018063427 |
10 | 12406532047 |
11 | 5297189178 |
12 | 24a2b0a067 |
13 | 1229452330 |
14 | 859a02cc7 |
15 | 4c92c4767 |
hex | 2e37ca7cf |
12406532047 has 32 divisors (see below), whose sum is σ = 15439269888. Its totient is φ = 9707475456.
The previous prime is 12406532023. The next prime is 12406532059. The reversal of 12406532047 is 74023560421.
It is not a de Polignac number, because 12406532047 - 27 = 12406531919 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12406532147) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5788258 + ... + 5790400.
It is an arithmetic number, because the mean of its divisors is an integer number (482477184).
Almost surely, 212406532047 is an apocalyptic number.
12406532047 is a deficient number, since it is larger than the sum of its proper divisors (3032737841).
12406532047 is a wasteful number, since it uses less digits than its factorization.
12406532047 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2839.
The product of its (nonzero) digits is 40320, while the sum is 34.
The spelling of 12406532047 in words is "twelve billion, four hundred six million, five hundred thirty-two thousand, forty-seven".
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