Base | Representation |
---|---|
bin | 110100010111101111101110… |
… | …011101111101000001011001 |
3 | 1010012112100112111111002010112 |
4 | 310113233232131331001121 |
5 | 220142212233233341441 |
6 | 2133512123314054105 |
7 | 66341544241552364 |
oct | 6427575635750131 |
9 | 1105470474432115 |
10 | 230330212012121 |
11 | 67432548a91561 |
12 | 219bb655b7a335 |
13 | 9b6a0797c3780 |
14 | 40c40827890db |
15 | 1b9663da7e4eb |
hex | d17bee77d059 |
230330212012121 has 16 divisors (see below), whose sum is σ = 263615327917200. Its totient is φ = 199361997447168.
The previous prime is 230330212012097. The next prime is 230330212012127. The reversal of 230330212012121 is 121210212033032.
It can be written as a sum of positive squares in 8 ways, for example, as 7577572002121 + 222752640010000 = 2752739^2 + 14924900^2 .
It is a cyclic number.
It is not a de Polignac number, because 230330212012121 - 246 = 159961467834457 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (230330212012127) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1937149016 + ... + 1937267913.
It is an arithmetic number, because the mean of its divisors is an integer number (16475957994825).
Almost surely, 2230330212012121 is an apocalyptic number.
It is an amenable number.
230330212012121 is a deficient number, since it is larger than the sum of its proper divisors (33285115905079).
230330212012121 is a wasteful number, since it uses less digits than its factorization.
230330212012121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3874417228.
The product of its (nonzero) digits is 864, while the sum is 23.
Adding to 230330212012121 its reverse (121210212033032), we get a palindrome (351540424045153).
The spelling of 230330212012121 in words is "two hundred thirty trillion, three hundred thirty billion, two hundred twelve million, twelve thousand, one hundred twenty-one".
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