Base | Representation |
---|---|
bin | 110100011000110011101001… |
… | …011111101101100011101101 |
3 | 1010012210022210012001201001200 |
4 | 310120303221133231203231 |
5 | 220144411114103443041 |
6 | 2134005424231000113 |
7 | 66350035446153552 |
oct | 6430635137554355 |
9 | 1105708705051050 |
10 | 230403143031021 |
11 | 674604737094a4 |
12 | 21a1180a509039 |
13 | 9b73c0024c81c |
14 | 40c780076ca29 |
15 | 1b984ab65a1b6 |
hex | d18ce97ed8ed |
230403143031021 has 24 divisors (see below), whose sum is σ = 350321332845120. Its totient is φ = 145517456987136.
The previous prime is 230403143030993. The next prime is 230403143031049. The reversal of 230403143031021 is 120130341304032.
It is a happy number.
230403143031021 is a `hidden beast` number, since 2 + 3 + 0 + 4 + 0 + 314 + 30 + 310 + 2 + 1 = 666.
It is an interprime number because it is at equal distance from previous prime (230403143030993) and next prime (230403143031049).
It is not a de Polignac number, because 230403143031021 - 29 = 230403143030509 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230403143031071) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95931016 + ... + 98303438.
It is an arithmetic number, because the mean of its divisors is an integer number (14596722201880).
Almost surely, 2230403143031021 is an apocalyptic number.
It is an amenable number.
230403143031021 is a deficient number, since it is larger than the sum of its proper divisors (119918189814099).
230403143031021 is a wasteful number, since it uses less digits than its factorization.
230403143031021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2940385 (or 2940382 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 27.
Adding to 230403143031021 its reverse (120130341304032), we get a palindrome (350533484335053).
The spelling of 230403143031021 in words is "two hundred thirty trillion, four hundred three billion, one hundred forty-three million, thirty-one thousand, twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.094 sec. • engine limits •