Base | Representation |
---|---|
bin | 10001110000011111100… |
… | …011001100010010001001 |
3 | 11022122210210210112112122 |
4 | 101300133203030102021 |
5 | 124443133301443423 |
6 | 2332333104421025 |
7 | 154110113056142 |
oct | 21603743142211 |
9 | 4278723715478 |
10 | 1220300031113 |
11 | 430587610a09 |
12 | 178604017775 |
13 | 8b0c61a1637 |
14 | 430c45d0ac9 |
15 | 21b21e6e8c8 |
hex | 11c1f8cc489 |
1220300031113 has 16 divisors (see below), whose sum is σ = 1346457604800. Its totient is φ = 1101647070720.
The previous prime is 1220300031101. The next prime is 1220300031121. The reversal of 1220300031113 is 3111300030221.
It is a cyclic number.
It is not a de Polignac number, because 1220300031113 - 232 = 1216005063817 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1220300031091 and 1220300031100.
It is not an unprimeable number, because it can be changed into a prime (1220300031163) 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, 18181568 + ... + 18248561.
It is an arithmetic number, because the mean of its divisors is an integer number (84153600300).
Almost surely, 21220300031113 is an apocalyptic number.
It is an amenable number.
1220300031113 is a deficient number, since it is larger than the sum of its proper divisors (126157573687).
1220300031113 is a wasteful number, since it uses less digits than its factorization.
1220300031113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36430232.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 1220300031113 its reverse (3111300030221), we get a palindrome (4331600061334).
The spelling of 1220300031113 in words is "one trillion, two hundred twenty billion, three hundred million, thirty-one thousand, one hundred thirteen".
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