Base | Representation |
---|---|
bin | 10111111110010001… |
… | …10111010100010110 |
3 | 1020012222000112002022 |
4 | 23333020313110112 |
5 | 202324313322111 |
6 | 5525042213142 |
7 | 633641002124 |
oct | 137710672426 |
9 | 36188015068 |
10 | 12870448406 |
11 | 550503a422 |
12 | 25b23541b2 |
13 | 12a15b235a |
14 | 8a1484914 |
15 | 504db12db |
hex | 2ff237516 |
12870448406 has 8 divisors (see below), whose sum is σ = 19444562760. Its totient is φ = 6388927488.
The previous prime is 12870448403. The next prime is 12870448411. The reversal of 12870448406 is 60484407821.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12870448403) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23148011 + ... + 23148566.
It is an arithmetic number, because the mean of its divisors is an integer number (2430570345).
Almost surely, 212870448406 is an apocalyptic number.
12870448406 is a deficient number, since it is larger than the sum of its proper divisors (6574114354).
12870448406 is a wasteful number, since it uses less digits than its factorization.
12870448406 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46296718.
The product of its (nonzero) digits is 344064, while the sum is 44.
The spelling of 12870448406 in words is "twelve billion, eight hundred seventy million, four hundred forty-eight thousand, four hundred six".
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