Base | Representation |
---|---|
bin | 10010111011110110110… |
… | …000110011011101100110 |
3 | 11121101200021012120120000 |
4 | 102323312300303131212 |
5 | 132304344322042410 |
6 | 2433434450522130 |
7 | 163003306314033 |
oct | 22736660633546 |
9 | 4541607176500 |
10 | 1301220112230 |
11 | 461931915605 |
12 | 190227b96346 |
13 | 95920b1113c |
14 | 46d9d63238a |
15 | 23cab0d4dc0 |
hex | 12ef6c33766 |
1301220112230 has 80 divisors (see below), whose sum is σ = 3611702058624. Its totient is φ = 335798732160.
The previous prime is 1301220112141. The next prime is 1301220112237. The reversal of 1301220112230 is 322110221031.
1301220112230 is a `hidden beast` number, since 1 + 301 + 2 + 20 + 112 + 230 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1301220112237) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 25885287 + ... + 25935506.
Almost surely, 21301220112230 is an apocalyptic number.
1301220112230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1301220112230 is an abundant number, since it is smaller than the sum of its proper divisors (2310481946394).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1301220112230 is a wasteful number, since it uses less digits than its factorization.
1301220112230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51820843 (or 51820834 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 1301220112230 its reverse (322110221031), we get a palindrome (1623330333261).
The spelling of 1301220112230 in words is "one trillion, three hundred one billion, two hundred twenty million, one hundred twelve thousand, two hundred thirty".
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