Base | Representation |
---|---|
bin | 11110100011111101110… |
… | …011100110000001110001 |
3 | 21102202222200222002010011 |
4 | 132203331303212001301 |
5 | 233402203230414301 |
6 | 4244453005534521 |
7 | 304506653106316 |
oct | 36437563460161 |
9 | 7382880862104 |
10 | 2100202201201 |
11 | 73a766432715 |
12 | 29b049574441 |
13 | 123081c1bca0 |
14 | 73916706d0d |
15 | 3996ed58a51 |
hex | 1e8fdce6071 |
2100202201201 has 8 divisors (see below), whose sum is σ = 2394800700264. Its totient is φ = 1824610056960.
The previous prime is 2100202201187. The next prime is 2100202201217. The reversal of 2100202201201 is 1021022020012.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 400972634176 + 1699229567025 = 633224^2 + 1303545^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2100202201201 - 219 = 2100201676913 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2100202211201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4751588470 + ... + 4751588911.
It is an arithmetic number, because the mean of its divisors is an integer number (299350087533).
Almost surely, 22100202201201 is an apocalyptic number.
It is an amenable number.
2100202201201 is a deficient number, since it is larger than the sum of its proper divisors (294598499063).
2100202201201 is a wasteful number, since it uses less digits than its factorization.
2100202201201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9503177411.
The product of its (nonzero) digits is 32, while the sum is 13.
Adding to 2100202201201 its reverse (1021022020012), we get a palindrome (3121224221213).
The spelling of 2100202201201 in words is "two trillion, one hundred billion, two hundred two million, two hundred one thousand, two hundred one".
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