Base | Representation |
---|---|
bin | 10101011011001110… |
… | …010011010101011111 |
3 | 2012101021112221202121 |
4 | 111123032103111133 |
5 | 334103324443401 |
6 | 14322443403411 |
7 | 1443043633330 |
oct | 253316232537 |
9 | 65337487677 |
10 | 23005312351 |
11 | 983599873a |
12 | 4560523567 |
13 | 22281cc178 |
14 | 11834b2287 |
15 | 8e9a0dca1 |
hex | 55b39355f |
23005312351 has 4 divisors (see below), whose sum is σ = 26291785552. Its totient is φ = 19718839152.
The previous prime is 23005312327. The next prime is 23005312417. The reversal of 23005312351 is 15321350032.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 23005312351 - 211 = 23005310303 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 (23005012351) 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, 1643236590 + ... + 1643236603.
It is an arithmetic number, because the mean of its divisors is an integer number (6572946388).
Almost surely, 223005312351 is an apocalyptic number.
23005312351 is a deficient number, since it is larger than the sum of its proper divisors (3286473201).
23005312351 is an equidigital number, since it uses as much as digits as its factorization.
23005312351 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3286473200.
The product of its (nonzero) digits is 2700, while the sum is 25.
Adding to 23005312351 its reverse (15321350032), we get a palindrome (38326662383).
The spelling of 23005312351 in words is "twenty-three billion, five million, three hundred twelve thousand, three hundred fifty-one".
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