Base | Representation |
---|---|
bin | 10001101001101100011… |
… | …100100011011100011011 |
3 | 11021221222001212210112211 |
4 | 101221230130203130123 |
5 | 124333211022431021 |
6 | 2325124500015551 |
7 | 153431163411433 |
oct | 21515434433433 |
9 | 4257861783484 |
10 | 1213000202011 |
11 | 428480a9a2a4 |
12 | 1771073915b7 |
13 | 8a501a2a630 |
14 | 429d0d072c3 |
15 | 2184617c3e1 |
hex | 11a6c72371b |
1213000202011 has 16 divisors (see below), whose sum is σ = 1316759076864. Its totient is φ = 1110736567584.
The previous prime is 1213000201981. The next prime is 1213000202041. The reversal of 1213000202011 is 1102020003121.
It is an interprime number because it is at equal distance from previous prime (1213000201981) and next prime (1213000202041).
It is a cyclic number.
It is not a de Polignac number, because 1213000202011 - 217 = 1213000070939 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 a junction number, because it is equal to n+sod(n) for n = 1213000201982 and 1213000202000.
It is not an unprimeable number, because it can be changed into a prime (1213000202041) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14498646 + ... + 14582068.
It is an arithmetic number, because the mean of its divisors is an integer number (82297442304).
Almost surely, 21213000202011 is an apocalyptic number.
1213000202011 is a deficient number, since it is larger than the sum of its proper divisors (103758874853).
1213000202011 is a wasteful number, since it uses less digits than its factorization.
1213000202011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 92370.
The product of its (nonzero) digits is 24, while the sum is 13.
Adding to 1213000202011 its reverse (1102020003121), we get a palindrome (2315020205132).
The spelling of 1213000202011 in words is "one trillion, two hundred thirteen billion, two hundred two thousand, eleven".
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