Base | Representation |
---|---|
bin | 10010110101010110… |
… | …10010000010101011 |
3 | 222002200001201011120 |
4 | 21122223102002223 |
5 | 131201433330443 |
6 | 4351154430323 |
7 | 505365016011 |
oct | 113253220253 |
9 | 28080051146 |
10 | 10111230123 |
11 | 4319586935 |
12 | 1b622923a3 |
13 | c51a63707 |
14 | 6bcc388b1 |
15 | 3e2a30083 |
hex | 25aad20ab |
10111230123 has 16 divisors (see below), whose sum is σ = 14081783040. Its totient is φ = 6441331424.
The previous prime is 10111230109. The next prime is 10111230137. The reversal of 10111230123 is 32103211101.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (10111230109) and next prime (10111230137).
It is not a de Polignac number, because 10111230123 - 25 = 10111230091 is a prime.
It is not an unprimeable number, because it can be changed into a prime (10111230163) 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, 2433 + ... + 142226.
It is an arithmetic number, because the mean of its divisors is an integer number (880111440).
Almost surely, 210111230123 is an apocalyptic number.
10111230123 is a deficient number, since it is larger than the sum of its proper divisors (3970552917).
10111230123 is a wasteful number, since it uses less digits than its factorization.
10111230123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 145698.
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 10111230123 its reverse (32103211101), we get a palindrome (42214441224).
The spelling of 10111230123 in words is "ten billion, one hundred eleven million, two hundred thirty thousand, one hundred twenty-three".
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