Base | Representation |
---|---|
bin | 111000100010111101… |
… | …0011100010010101110 |
3 | 102121102210210101200121 |
4 | 1301011322130102232 |
5 | 3442143100014210 |
6 | 131441325515154 |
7 | 11526125150032 |
oct | 1610572342256 |
9 | 377383711617 |
10 | 121432032430 |
11 | 475542422a5 |
12 | 1b64b412aba |
13 | b5b2a9cc37 |
14 | 5c3d5d61c2 |
15 | 325aa766da |
hex | 1c45e9c4ae |
121432032430 has 8 divisors (see below), whose sum is σ = 218577658392. Its totient is φ = 48572812968.
The previous prime is 121432032401. The next prime is 121432032487. The reversal of 121432032430 is 34230234121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 121432032395 and 121432032404.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6071601612 + ... + 6071601631.
It is an arithmetic number, because the mean of its divisors is an integer number (27322207299).
Almost surely, 2121432032430 is an apocalyptic number.
121432032430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
121432032430 is a deficient number, since it is larger than the sum of its proper divisors (97145625962).
121432032430 is a wasteful number, since it uses less digits than its factorization.
121432032430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12143203250.
The product of its (nonzero) digits is 3456, while the sum is 25.
Adding to 121432032430 its reverse (34230234121), we get a palindrome (155662266551).
The spelling of 121432032430 in words is "one hundred twenty-one billion, four hundred thirty-two million, thirty-two thousand, four hundred thirty".
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