Base | Representation |
---|---|
bin | 11101101100001001000… |
… | …11101111111110010001 |
3 | 10121112010200212000101222 |
4 | 32312010203233332101 |
5 | 113203212042310301 |
6 | 2100350344134425 |
7 | 133462542145502 |
oct | 16660443577621 |
9 | 3545120760358 |
10 | 1020131213201 |
11 | 3636a9525381 |
12 | 14585ba67415 |
13 | 75275bc5209 |
14 | 37535d26ba9 |
15 | 1b808ca031b |
hex | ed848eff91 |
1020131213201 has 8 divisors (see below), whose sum is σ = 1036072670400. Its totient is φ = 1004210803728.
The previous prime is 1020131213183. The next prime is 1020131213209. The reversal of 1020131213201 is 1023121310201.
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 1020131213201 - 26 = 1020131213137 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1020131213201.
It is not an unprimeable number, because it can be changed into a prime (1020131213209) 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, 5164226 + ... + 5358123.
It is an arithmetic number, because the mean of its divisors is an integer number (129509083800).
Almost surely, 21020131213201 is an apocalyptic number.
It is an amenable number.
1020131213201 is a deficient number, since it is larger than the sum of its proper divisors (15941457199).
1020131213201 is a wasteful number, since it uses less digits than its factorization.
1020131213201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10523863.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 1020131213201 its reverse (1023121310201), we get a palindrome (2043252523402).
The spelling of 1020131213201 in words is "one trillion, twenty billion, one hundred thirty-one million, two hundred thirteen thousand, two hundred one".
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