Base | Representation |
---|---|
bin | 110010010100100000001110… |
… | …000001010001010000010010 |
3 | 1002000121011011201021200112120 |
4 | 302110200032001101100102 |
5 | 213001431030332322010 |
6 | 2102405002352435110 |
7 | 64421133400646640 |
oct | 6224401601212022 |
9 | 1060534151250476 |
10 | 221311310042130 |
11 | 64575665a43630 |
12 | 209a3745b48a96 |
13 | 966474a89a269 |
14 | 3c9174b566190 |
15 | 1a8bc35c2de70 |
hex | c9480e051412 |
221311310042130 has 64 divisors (see below), whose sum is σ = 662209426418688. Its totient is φ = 45986765722560.
The previous prime is 221311310042129. The next prime is 221311310042161. The reversal of 221311310042130 is 31240013113122.
It is a self number, because there is not a number n which added to its sum of digits gives 221311310042130.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47902878652 + ... + 47902883271.
It is an arithmetic number, because the mean of its divisors is an integer number (10347022287792).
Almost surely, 2221311310042130 is an apocalyptic number.
221311310042130 is an abundant number, since it is smaller than the sum of its proper divisors (440898116376558).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
221311310042130 is a wasteful number, since it uses less digits than its factorization.
221311310042130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 95805761951.
The product of its (nonzero) digits is 864, while the sum is 24.
Adding to 221311310042130 its reverse (31240013113122), we get a palindrome (252551323155252).
The spelling of 221311310042130 in words is "two hundred twenty-one trillion, three hundred eleven billion, three hundred ten million, forty-two thousand, one hundred thirty".
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