Search a number
-
+
130220211121 = 721113101184003
BaseRepresentation
bin111100101000110111…
…0101011101110110001
3110110010021022010111021
41321101232223232301
54113142333223441
6135453343015441
712256656350200
oct1712156535661
9413107263437
10130220211121
1150253a06aa0
12212a259a581
13c3836b7380
14643482d237
1535c23613d1
hex1e51babbb1

130220211121 has 48 divisors (see below), whose sum is σ = 179726275008. Its totient is φ = 92737008000.

The previous prime is 130220211109. The next prime is 130220211169. The reversal of 130220211121 is 121112022031.

It is not a de Polignac number, because 130220211121 - 223 = 130211822513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130220211095 and 130220211104.

It is not an unprimeable number, because it can be changed into a prime (130220212121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 615706 + ... + 799708.

It is an arithmetic number, because the mean of its divisors is an integer number (3744297396).

Almost surely, 2130220211121 is an apocalyptic number.

130220211121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

130220211121 is a deficient number, since it is larger than the sum of its proper divisors (49506063887).

130220211121 is a wasteful number, since it uses less digits than its factorization.

130220211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184142 (or 184135 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 130220211121 its reverse (121112022031), we get a palindrome (251332233152).

The spelling of 130220211121 in words is "one hundred thirty billion, two hundred twenty million, two hundred eleven thousand, one hundred twenty-one".

Divisors: 1 7 11 13 49 77 91 101 143 539 637 707 1001 1111 1313 4949 7007 7777 9191 14443 54439 64337 101101 184003 707707 1288021 2024033 2392039 9016147 14168231 16744273 18584303 26312429 99177617 117209911 130090121 184187003 204427333 241595939 910630847 1289309021 1430991331 1691171573 2657555329 10016939317 11838201011 18602887303 130220211121