Base | Representation |
---|---|
bin | 10101100011100100… |
… | …111001101011100111 |
3 | 2012202001020220101120 |
4 | 111203210321223213 |
5 | 334400214014221 |
6 | 14344411225023 |
7 | 1446365054430 |
oct | 254344715347 |
9 | 65661226346 |
10 | 23145454311 |
11 | 98a8007441 |
12 | 459b448173 |
13 | 224b258cc5 |
14 | 1197d52487 |
15 | 906e925c6 |
hex | 563939ae7 |
23145454311 has 16 divisors (see below), whose sum is σ = 35365377024. Its totient is φ = 13189931424.
The previous prime is 23145454279. The next prime is 23145454313. The reversal of 23145454311 is 11345454132.
It is not a de Polignac number, because 23145454311 - 25 = 23145454279 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23145454313) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1493880 + ... + 1509293.
It is an arithmetic number, because the mean of its divisors is an integer number (2210336064).
Almost surely, 223145454311 is an apocalyptic number.
23145454311 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
23145454311 is a deficient number, since it is larger than the sum of its proper divisors (12219922713).
23145454311 is a wasteful number, since it uses less digits than its factorization.
23145454311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3003550.
The product of its digits is 28800, while the sum is 33.
The spelling of 23145454311 in words is "twenty-three billion, one hundred forty-five million, four hundred fifty-four thousand, three hundred eleven".
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