Base | Representation |
---|---|
bin | 100011110011001… |
… | …0000001010010010 |
3 | 10002201021210100100 |
4 | 1013212100022102 |
5 | 4430002210002 |
6 | 315110033230 |
7 | 41524054656 |
oct | 10746201222 |
9 | 3081253310 |
10 | 1201210002 |
11 | 567062943 |
12 | 296348816 |
13 | 161b29165 |
14 | b5766a66 |
15 | 706c911c |
hex | 47990292 |
1201210002 has 48 divisors (see below), whose sum is σ = 2632398912. Its totient is φ = 395846880.
The previous prime is 1201209959. The next prime is 1201210007. The reversal of 1201210002 is 2000121021.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is not an unprimeable number, because it can be changed into a prime (1201210007) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 746683 + ... + 748289.
It is an arithmetic number, because the mean of its divisors is an integer number (54841644).
Almost surely, 21201210002 is an apocalyptic number.
1201210002 is an abundant number, since it is smaller than the sum of its proper divisors (1431188910).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1201210002 is a wasteful number, since it uses less digits than its factorization.
1201210002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2063 (or 2060 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 9.
The square root of 1201210002 is about 34658.4766254952. The cubic root of 1201210002 is about 1063.0156211429.
Adding to 1201210002 its reverse (2000121021), we get a palindrome (3201331023).
The spelling of 1201210002 in words is "one billion, two hundred one million, two hundred ten thousand, two".
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