Base | Representation |
---|---|
bin | 1010101001010101010100… |
… | …11011101010101000010101 |
3 | 10001220000102012100002102212 |
4 | 11110222222123222220111 |
5 | 11032024030333024141 |
6 | 121442334213243205 |
7 | 4634230210310651 |
oct | 524525233525025 |
9 | 101800365302385 |
10 | 23410431142421 |
11 | 7506343086874 |
12 | 2761122033505 |
13 | 100a79556599b |
14 | 5ad0dc829a61 |
15 | 2a8e5bb472eb |
hex | 154aaa6eaa15 |
23410431142421 has 4 divisors (see below), whose sum is σ = 23464496803692. Its totient is φ = 23356365481152.
The previous prime is 23410431142411. The next prime is 23410431142459. The reversal of 23410431142421 is 12424113401432.
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 2116774747396 + 21293656395025 = 1454914^2 + 4614505^2 .
It is a cyclic number.
It is not a de Polignac number, because 23410431142421 - 226 = 23410364033557 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23410431142411) 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, 27032829986 + ... + 27032830851.
It is an arithmetic number, because the mean of its divisors is an integer number (5866124200923).
Almost surely, 223410431142421 is an apocalyptic number.
It is an amenable number.
23410431142421 is a deficient number, since it is larger than the sum of its proper divisors (54065661271).
23410431142421 is an equidigital number, since it uses as much as digits as its factorization.
23410431142421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54065661270.
The product of its (nonzero) digits is 18432, while the sum is 32.
Adding to 23410431142421 its reverse (12424113401432), we get a palindrome (35834544543853).
The spelling of 23410431142421 in words is "twenty-three trillion, four hundred ten billion, four hundred thirty-one million, one hundred forty-two thousand, four hundred twenty-one".
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