Base | Representation |
---|---|
bin | 100011111101001… |
… | …1000000010010001 |
3 | 10010002012210110201 |
4 | 1013322120002101 |
5 | 4432330011022 |
6 | 315415055201 |
7 | 41616645244 |
oct | 10772300221 |
9 | 3102183421 |
10 | 1206485137 |
11 | 56a036160 |
12 | 298071501 |
13 | 162c55240 |
14 | b633b25b |
15 | 70dbc127 |
hex | 47e98091 |
1206485137 has 8 divisors (see below), whose sum is σ = 1417409280. Its totient is φ = 1012434960.
The previous prime is 1206485131. The next prime is 1206485149. The reversal of 1206485137 is 7315846021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1206485137 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1206485096 and 1206485105.
It is not an unprimeable number, because it can be changed into a prime (1206485131) by changing a digit.
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, 4218337 + ... + 4218622.
It is an arithmetic number, because the mean of its divisors is an integer number (177176160).
Almost surely, 21206485137 is an apocalyptic number.
It is an amenable number.
1206485137 is a deficient number, since it is larger than the sum of its proper divisors (210924143).
1206485137 is a wasteful number, since it uses less digits than its factorization.
1206485137 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8436983.
The product of its (nonzero) digits is 40320, while the sum is 37.
The square root of 1206485137 is about 34734.4949149977. The cubic root of 1206485137 is about 1064.5694328035.
The spelling of 1206485137 in words is "one billion, two hundred six million, four hundred eighty-five thousand, one hundred thirty-seven".
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