Base | Representation |
---|---|
bin | 1101101111110100001011… |
… | …00110001100010110001101 |
3 | 10222000222111002112000211102 |
4 | 12313322011212030112031 |
5 | 12430242443112223041 |
6 | 144143323310432445 |
7 | 6240030030401156 |
oct | 667720546142615 |
9 | 128028432460742 |
10 | 30230221211021 |
11 | 96a5623856407 |
12 | 348299bb02725 |
13 | 13b390b8c61c0 |
14 | 76721701a92d |
15 | 3765564c109b |
hex | 1b7e8598c58d |
30230221211021 has 8 divisors (see below), whose sum is σ = 32555669045760. Its totient is φ = 27904779976752.
The previous prime is 30230221210967. The next prime is 30230221211041. The reversal of 30230221211021 is 12011212203203.
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 30230221211021 - 210 = 30230221209997 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30230221210984 and 30230221211002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30230221211041) 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, 12115340 + ... + 14395898.
It is an arithmetic number, because the mean of its divisors is an integer number (4069458630720).
Almost surely, 230230221211021 is an apocalyptic number.
It is an amenable number.
30230221211021 is a deficient number, since it is larger than the sum of its proper divisors (2325447834739).
30230221211021 is a wasteful number, since it uses less digits than its factorization.
30230221211021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3300235.
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 30230221211021 its reverse (12011212203203), we get a palindrome (42241433414224).
The spelling of 30230221211021 in words is "thirty trillion, two hundred thirty billion, two hundred twenty-one million, two hundred eleven thousand, twenty-one".
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