Base | Representation |
---|---|
bin | 10001011111100100000… |
… | …000011101110110111010 |
3 | 11020220212220010101122100 |
4 | 101133210000131312322 |
5 | 124143421012000010 |
6 | 2320125153204230 |
7 | 152564453426511 |
oct | 21374400356672 |
9 | 4226786111570 |
10 | 1202121203130 |
11 | 4238a9097431 |
12 | 174b8bb60676 |
13 | 89489bba7a3 |
14 | 4227c133678 |
15 | 2140b0402c0 |
hex | 117e401ddba |
1202121203130 has 48 divisors (see below), whose sum is σ = 3156460846344. Its totient is φ = 317391734400.
The previous prime is 1202121203111. The next prime is 1202121203159. The reversal of 1202121203130 is 313021212021.
1202121203130 is a `hidden beast` number, since 1 + 20 + 212 + 120 + 313 + 0 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 1166963828121 + 35157375009 = 1080261^2 + 187503^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66114189 + ... + 66132368.
Almost surely, 21202121203130 is an apocalyptic number.
1202121203130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1202121203130 is an abundant number, since it is smaller than the sum of its proper divisors (1954339643214).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1202121203130 is a wasteful number, since it uses less digits than its factorization.
1202121203130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 132246671 (or 132246668 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 1202121203130 its reverse (313021212021), we get a palindrome (1515142415151).
The spelling of 1202121203130 in words is "one trillion, two hundred two billion, one hundred twenty-one million, two hundred three thousand, one hundred thirty".
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