Base | Representation |
---|---|
bin | 10111110110110110… |
… | …01111111101011110 |
3 | 1020001121210220011212 |
4 | 23323123033331132 |
5 | 202212342042240 |
6 | 5514535144422 |
7 | 632253361430 |
oct | 137333177536 |
9 | 36047726155 |
10 | 12808159070 |
11 | 5482965533 |
12 | 2595515112 |
13 | 1291713365 |
14 | 8970ac650 |
15 | 4ee6aa165 |
hex | 2fb6cff5e |
12808159070 has 16 divisors (see below), whose sum is σ = 26348213088. Its totient is φ = 4391368800.
The previous prime is 12808159037. The next prime is 12808159073. The reversal of 12808159070 is 7095180821.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12808159073) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91486781 + ... + 91486920.
It is an arithmetic number, because the mean of its divisors is an integer number (1646763318).
Almost surely, 212808159070 is an apocalyptic number.
12808159070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12808159070 is an abundant number, since it is smaller than the sum of its proper divisors (13540054018).
12808159070 is a wasteful number, since it uses less digits than its factorization.
12808159070 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 182973715.
The product of its (nonzero) digits is 40320, while the sum is 41.
The spelling of 12808159070 in words is "twelve billion, eight hundred eight million, one hundred fifty-nine thousand, seventy".
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