Search a number
-
+
13031230211122 = 2191519811231479
BaseRepresentation
bin1011110110100001000111…
…0110010000010000110010
31201010202212211122122001111
42331220101312100100302
53202000424413223442
643414244200223534
72513322014123524
oct275502166202062
951122784578044
1013031230211122
114174571804632
12156565876abaa
13736abbb91a96
14330a019c5a14
15178e8b2b7b17
hexbda11d90432

13031230211122 has 32 divisors (see below), whose sum is σ = 20714089651200. Its totient is φ = 6131157786000.

The previous prime is 13031230211099. The next prime is 13031230211137. The reversal of 13031230211122 is 22111203213031.

It is a junction number, because it is equal to n+sod(n) for n = 13031230211093 and 13031230211102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56179779 + ... + 56411257.

It is an arithmetic number, because the mean of its divisors is an integer number (647315301600).

Almost surely, 213031230211122 is an apocalyptic number.

13031230211122 is a deficient number, since it is larger than the sum of its proper divisors (7682859440078).

13031230211122 is a wasteful number, since it uses less digits than its factorization.

13031230211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241462.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 13031230211122 its reverse (22111203213031), we get a palindrome (35142433424153).

The spelling of 13031230211122 in words is "thirteen trillion, thirty-one billion, two hundred thirty million, two hundred eleven thousand, one hundred twenty-two".

Divisors: 1 2 19 38 151 302 2869 5738 9811 19622 186409 231479 372818 462958 1481461 2962922 4398101 8796202 28147759 34953329 56295518 69906658 664113251 1328226502 2271040469 4542080938 43149768911 86299537822 342927110819 685854221638 6515615105561 13031230211122