Base | Representation |
---|---|
bin | 10001101001111010001… |
… | …001101010101110001111 |
3 | 11021222120002112110100110 |
4 | 101221322021222232033 |
5 | 124334143403211421 |
6 | 2325203352131103 |
7 | 153436654653534 |
oct | 21517211525617 |
9 | 4258502473313 |
10 | 1213230132111 |
11 | 428589865178 |
12 | 177170396a93 |
13 | 8a53a563b4a |
14 | 42a1367ad8b |
15 | 2185b449a76 |
hex | 11a7a26ab8f |
1213230132111 has 8 divisors (see below), whose sum is σ = 1617781661104. Its totient is φ = 808749345600.
The previous prime is 1213230132109. The next prime is 1213230132131. The reversal of 1213230132111 is 1112310323121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1213230132111 - 21 = 1213230132109 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1213230132131) 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, 17645590 + ... + 17714211.
It is an arithmetic number, because the mean of its divisors is an integer number (202222707638).
Almost surely, 21213230132111 is an apocalyptic number.
1213230132111 is a deficient number, since it is larger than the sum of its proper divisors (404551528993).
1213230132111 is a wasteful number, since it uses less digits than its factorization.
1213230132111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35371241.
The product of its (nonzero) digits is 216, while the sum is 21.
Adding to 1213230132111 its reverse (1112310323121), we get a palindrome (2325540455232).
The spelling of 1213230132111 in words is "one trillion, two hundred thirteen billion, two hundred thirty million, one hundred thirty-two thousand, one hundred eleven".
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