Base | Representation |
---|---|
bin | 10011101111110011… |
… | …000100001001011101 |
3 | 2000201200012111220220 |
4 | 103233303010021131 |
5 | 321410432311031 |
6 | 13423542031553 |
7 | 1350300420045 |
oct | 235763041135 |
9 | 60650174826 |
10 | 21203010141 |
11 | 8aa0601385 |
12 | 4138a185b9 |
13 | 1ccb9b4261 |
14 | 1051d9a725 |
15 | 84169d596 |
hex | 4efcc425d |
21203010141 has 8 divisors (see below), whose sum is σ = 28588328640. Its totient is φ = 13976515872.
The previous prime is 21203010097. The next prime is 21203010163. The reversal of 21203010141 is 14101030212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-21203010141 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 21203010141.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21203012141) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 39705745 + ... + 39706278.
It is an arithmetic number, because the mean of its divisors is an integer number (3573541080).
Almost surely, 221203010141 is an apocalyptic number.
It is an amenable number.
21203010141 is a deficient number, since it is larger than the sum of its proper divisors (7385318499).
21203010141 is an equidigital number, since it uses as much as digits as its factorization.
21203010141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 79412115.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 21203010141 its reverse (14101030212), we get a palindrome (35304040353).
The spelling of 21203010141 in words is "twenty-one billion, two hundred three million, ten thousand, one hundred forty-one".
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