Base | Representation |
---|---|
bin | 10101011101011111… |
… | …001110001101101101 |
3 | 2012110221001001010000 |
4 | 111131133032031231 |
5 | 334143041133003 |
6 | 14330321534513 |
7 | 1444014560136 |
oct | 253537161555 |
9 | 65427031100 |
10 | 23043302253 |
11 | 9855386054 |
12 | 45711a4439 |
13 | 2233040aba |
14 | 1188560c8d |
15 | 8ed0151a3 |
hex | 55d7ce36d |
23043302253 has 10 divisors (see below), whose sum is σ = 34422710894. Its totient is φ = 15362201448.
The previous prime is 23043302237. The next prime is 23043302257. The reversal of 23043302253 is 35220334032.
23043302253 is a `hidden beast` number, since 2 + 3 + 0 + 433 + 0 + 225 + 3 = 666.
It can be written as a sum of positive squares in only one way, i.e., 22921354404 + 121947849 = 151398^2 + 11043^2 .
It is not a de Polignac number, because 23043302253 - 24 = 23043302237 is a prime.
It is a super-2 number, since 2×230433022532 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23043302257) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 142242526 + ... + 142242687.
Almost surely, 223043302253 is an apocalyptic number.
It is an amenable number.
23043302253 is a deficient number, since it is larger than the sum of its proper divisors (11379408641).
23043302253 is an equidigital number, since it uses as much as digits as its factorization.
23043302253 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 284485225 (or 284485216 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 27.
Adding to 23043302253 its reverse (35220334032), we get a palindrome (58263636285).
The spelling of 23043302253 in words is "twenty-three billion, forty-three million, three hundred two thousand, two hundred fifty-three".
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