Base | Representation |
---|---|
bin | 10001011111101000110… |
… | …001101000100111100001 |
3 | 11020221002110122201020220 |
4 | 101133220301220213201 |
5 | 124144102001413441 |
6 | 2320141131553253 |
7 | 152566444414014 |
oct | 21375061504741 |
9 | 4227073581226 |
10 | 1202201201121 |
11 | 42393a267078 |
12 | 174bb28bb829 |
13 | 894a0649c8b |
14 | 422889d937b |
15 | 21413093466 |
hex | 117e8c689e1 |
1202201201121 has 8 divisors (see below), whose sum is σ = 1697225225184. Its totient is φ = 754322322240.
The previous prime is 1202201201077. The next prime is 1202201201141. The reversal of 1202201201121 is 1211021022021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1202201201121 - 26 = 1202201201057 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1202201201121.
It is not an unprimeable number, because it can be changed into a prime (1202201201141) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11786286235 + ... + 11786286336.
It is an arithmetic number, because the mean of its divisors is an integer number (212153153148).
Almost surely, 21202201201121 is an apocalyptic number.
It is an amenable number.
1202201201121 is a deficient number, since it is larger than the sum of its proper divisors (495024024063).
1202201201121 is a wasteful number, since it uses less digits than its factorization.
1202201201121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23572572591.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 1202201201121 its reverse (1211021022021), we get a palindrome (2413222223142).
The spelling of 1202201201121 in words is "one trillion, two hundred two billion, two hundred one million, two hundred one thousand, one hundred twenty-one".
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