Base | Representation |
---|---|
bin | 101111100110001000… |
… | …0110111011101010010 |
3 | 100202211021110000200000 |
4 | 1133030100313131102 |
5 | 3133312033040310 |
6 | 114542153110430 |
7 | 10245614021631 |
oct | 1371420673522 |
9 | 322737400600 |
10 | 102211221330 |
11 | 3a39062a449 |
12 | 179863b8416 |
13 | 983b96c82a |
14 | 4d389bd518 |
15 | 29d34214c0 |
hex | 17cc437752 |
102211221330 has 96 divisors (see below), whose sum is σ = 280791935424. Its totient is φ = 26742021696.
The previous prime is 102211221323. The next prime is 102211221331. The reversal of 102211221330 is 33122112201.
102211221330 is a `hidden beast` number, since 102 + 2 + 11 + 221 + 330 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (102211221331) 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, 268024 + ... + 525603.
It is an arithmetic number, because the mean of its divisors is an integer number (2924915994).
Almost surely, 2102211221330 is an apocalyptic number.
102211221330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
102211221330 is an abundant number, since it is smaller than the sum of its proper divisors (178580714094).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102211221330 is an equidigital number, since it uses as much as digits as its factorization.
102211221330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 793702 (or 793690 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 102211221330 its reverse (33122112201), we get a palindrome (135333333531).
The spelling of 102211221330 in words is "one hundred two billion, two hundred eleven million, two hundred twenty-one thousand, three hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •