Base | Representation |
---|---|
bin | 10101100011100011… |
… | …100101111001011010 |
3 | 2012202000121110122011 |
4 | 111203203211321122 |
5 | 334400122024010 |
6 | 14344400020134 |
7 | 1446362125051 |
oct | 254343457132 |
9 | 65660543564 |
10 | 23145111130 |
11 | 98a78a2619 |
12 | 459b30164a |
13 | 224b168a3b |
14 | 1197ca3398 |
15 | 906e25a8a |
hex | 5638e5e5a |
23145111130 has 64 divisors (see below), whose sum is σ = 42893776800. Its totient is φ = 8988355584.
The previous prime is 23145111127. The next prime is 23145111137. The reversal of 23145111130 is 3111154132.
It is a happy number.
It can be written as a sum of positive squares in 16 ways, for example, as 4265526721 + 18879584409 = 65311^2 + 137403^2 .
It is not an unprimeable number, because it can be changed into a prime (23145111137) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29039892 + ... + 29040688.
Almost surely, 223145111130 is an apocalyptic number.
23145111130 is a deficient number, since it is larger than the sum of its proper divisors (19748665670).
23145111130 is a wasteful number, since it uses less digits than its factorization.
23145111130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1363.
The product of its (nonzero) digits is 360, while the sum is 22.
Adding to 23145111130 its reverse (3111154132), we get a palindrome (26256265262).
The spelling of 23145111130 in words is "twenty-three billion, one hundred forty-five million, one hundred eleven thousand, one hundred thirty".
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