Base | Representation |
---|---|
bin | 111100101000110111… |
… | …0101011101110110001 |
3 | 110110010021022010111021 |
4 | 1321101232223232301 |
5 | 4113142333223441 |
6 | 135453343015441 |
7 | 12256656350200 |
oct | 1712156535661 |
9 | 413107263437 |
10 | 130220211121 |
11 | 50253a06aa0 |
12 | 212a259a581 |
13 | c3836b7380 |
14 | 643482d237 |
15 | 35c23613d1 |
hex | 1e51babbb1 |
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".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •