Base | Representation |
---|---|
bin | 11011010101100101000010… |
… | …110011000110101101100101 |
3 | 120202200220000012012000210201 |
4 | 123111211002303012231211 |
5 | 111224322311343210041 |
6 | 1103412544112150501 |
7 | 34216224645533452 |
oct | 3325450263065545 |
9 | 522626005160721 |
10 | 120230140210021 |
11 | 35344352834296 |
12 | 115994a6838431 |
13 | 5211865b92a3a |
14 | 2199254056829 |
15 | dd76ddb9c631 |
hex | 6d5942cc6b65 |
120230140210021 has 4 divisors (see below), whose sum is σ = 120664184037772. Its totient is φ = 119796096382272.
The previous prime is 120230140209989. The next prime is 120230140210043. The reversal of 120230140210021 is 120012041032021.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 24506321548996 + 95723818661025 = 4950386^2 + 9783855^2 .
It is a cyclic number.
It is not a de Polignac number, because 120230140210021 - 25 = 120230140209989 is a prime.
It is a super-2 number, since 2×1202301402100212 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120230140210091) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217021913460 + ... + 217021914013.
It is an arithmetic number, because the mean of its divisors is an integer number (30166046009443).
Almost surely, 2120230140210021 is an apocalyptic number.
It is an amenable number.
120230140210021 is a deficient number, since it is larger than the sum of its proper divisors (434043827751).
120230140210021 is an equidigital number, since it uses as much as digits as its factorization.
120230140210021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 434043827750.
The product of its (nonzero) digits is 192, while the sum is 19.
Adding to 120230140210021 its reverse (120012041032021), we get a palindrome (240242181242042).
The spelling of 120230140210021 in words is "one hundred twenty trillion, two hundred thirty billion, one hundred forty million, two hundred ten thousand, twenty-one".
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