Base | Representation |
---|---|
bin | 100011110100111… |
… | …0001000010100011 |
3 | 10002210000120212100 |
4 | 1013221301002203 |
5 | 4430221143412 |
6 | 315141501443 |
7 | 41534642262 |
oct | 10751610243 |
9 | 3083016770 |
10 | 1202131107 |
11 | 567631991 |
12 | 296711883 |
13 | 16208c4a8 |
14 | b59265d9 |
15 | 7080bedc |
hex | 47a710a3 |
1202131107 has 12 divisors (see below), whose sum is σ = 1769174784. Its totient is φ = 786299280.
The previous prime is 1202131103. The next prime is 1202131127. The reversal of 1202131107 is 7011312021.
It is a happy number.
It is not a de Polignac number, because 1202131107 - 22 = 1202131103 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1202131107.
It is not an unprimeable number, because it can be changed into a prime (1202131103) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1259619 + ... + 1260572.
It is an arithmetic number, because the mean of its divisors is an integer number (147431232).
Almost surely, 21202131107 is an apocalyptic number.
1202131107 is a deficient number, since it is larger than the sum of its proper divisors (567043677).
1202131107 is a wasteful number, since it uses less digits than its factorization.
1202131107 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2520250 (or 2520247 counting only the distinct ones).
The product of its (nonzero) digits is 84, while the sum is 18.
The square root of 1202131107 is about 34671.7623867031. The cubic root of 1202131107 is about 1063.2872635795.
Adding to 1202131107 its reverse (7011312021), we get a palindrome (8213443128).
The spelling of 1202131107 in words is "one billion, two hundred two million, one hundred thirty-one thousand, one hundred seven".
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