Base | Representation |
---|---|
bin | 100011111111011… |
… | …1010110110111001 |
3 | 10010011110022111112 |
4 | 1013332322312321 |
5 | 4433131120340 |
6 | 315500410105 |
7 | 41633036201 |
oct | 10776726671 |
9 | 3104408445 |
10 | 1207676345 |
11 | 56a77a127 |
12 | 298546935 |
13 | 1632814b5 |
14 | b656b401 |
15 | 71055065 |
hex | 47fbadb9 |
1207676345 has 16 divisors (see below), whose sum is σ = 1542956688. Its totient is φ = 904273920.
The previous prime is 1207676317. The next prime is 1207676357. The reversal of 1207676345 is 5436767021.
It can be written as a sum of positive squares in 8 ways, for example, as 218951209 + 988725136 = 14797^2 + 31444^2 .
It is not a de Polignac number, because 1207676345 - 226 = 1140567481 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23864 + ... + 54633.
It is an arithmetic number, because the mean of its divisors is an integer number (96434793).
Almost surely, 21207676345 is an apocalyptic number.
It is an amenable number.
1207676345 is a deficient number, since it is larger than the sum of its proper divisors (335280343).
1207676345 is a wasteful number, since it uses less digits than its factorization.
1207676345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78700.
The product of its (nonzero) digits is 211680, while the sum is 41.
The square root of 1207676345 is about 34751.6380189481. The cubic root of 1207676345 is about 1064.9196806598.
It can be divided in two parts, 1207676 and 345, that added together give a palindrome (1208021).
The spelling of 1207676345 in words is "one billion, two hundred seven million, six hundred seventy-six thousand, three hundred forty-five".
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