Base | Representation |
---|---|
bin | 111100101001001110… |
… | …0011101011001001101 |
3 | 110110011002212210021000 |
4 | 1321102130131121031 |
5 | 4113203421223041 |
6 | 135454452130513 |
7 | 12260163346263 |
oct | 1712234353115 |
9 | 413132783230 |
10 | 130232211021 |
11 | 5025a762770 |
12 | 212a6606a39 |
13 | c3860292c3 |
14 | 6436274433 |
15 | 35c3431bb6 |
hex | 1e5271d64d |
130232211021 has 32 divisors (see below), whose sum is σ = 211062758400. Its totient is φ = 78708691440.
The previous prime is 130232210987. The next prime is 130232211091. The reversal of 130232211021 is 120112232031.
It is not a de Polignac number, because 130232211021 - 29 = 130232210509 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 130232210985 and 130232211003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130232211091) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 504091 + ... + 717336.
It is an arithmetic number, because the mean of its divisors is an integer number (6595711200).
Almost surely, 2130232211021 is an apocalyptic number.
130232211021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
130232211021 is a deficient number, since it is larger than the sum of its proper divisors (80830547379).
130232211021 is a wasteful number, since it uses less digits than its factorization.
130232211021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1221806 (or 1221800 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 130232211021 its reverse (120112232031), we get a palindrome (250344443052).
The spelling of 130232211021 in words is "one hundred thirty billion, two hundred thirty-two million, two hundred eleven thousand, twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •