Search a number
-
+
12808159070 = 257182973701
BaseRepresentation
bin10111110110110110…
…01111111101011110
31020001121210220011212
423323123033331132
5202212342042240
65514535144422
7632253361430
oct137333177536
936047726155
1012808159070
115482965533
122595515112
131291713365
148970ac650
154ee6aa165
hex2fb6cff5e

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".

Divisors: 1 2 5 7 10 14 35 70 182973701 365947402 914868505 1280815907 1829737010 2561631814 6404079535 12808159070