Search a number
-
+
12819180202 = 2311391487489
BaseRepresentation
bin10111111000001010…
…10010101010101010
31020002101112211022221
423330011102222222
5202223202231302
65520011304254
7632446143133
oct137405225252
936071484287
1012819180202
115489102904
12259914b08a
131293aa193a
1489873ac8a
15500635937
hex2fc152aaa

12819180202 has 16 divisors (see below), whose sum is σ = 19991865600. Its totient is φ = 6158200320.

The previous prime is 12819180197. The next prime is 12819180217. The reversal of 12819180202 is 20208191821.

12819180202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 735127 + ... + 752362.

It is an arithmetic number, because the mean of its divisors is an integer number (1249491600).

Almost surely, 212819180202 is an apocalyptic number.

12819180202 is a deficient number, since it is larger than the sum of its proper divisors (7172685398).

12819180202 is a wasteful number, since it uses less digits than its factorization.

12819180202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487661.

The product of its (nonzero) digits is 4608, while the sum is 34.

The spelling of 12819180202 in words is "twelve billion, eight hundred nineteen million, one hundred eighty thousand, two hundred two".

Divisors: 1 2 31 62 139 278 4309 8618 1487489 2974978 46112159 92224318 206760971 413521942 6409590101 12819180202