Base | Representation |
---|---|
bin | 10101000100100000… |
… | …10000101010001011 |
3 | 1002012100201112100110 |
4 | 22202100100222023 |
5 | 141131344343443 |
6 | 5110253405403 |
7 | 550216213143 |
oct | 124220205213 |
9 | 32170645313 |
10 | 11312106123 |
11 | 488543083a |
12 | 2238499863 |
13 | 10b37a3826 |
14 | 794515923 |
15 | 463190233 |
hex | 2a2410a8b |
11312106123 has 16 divisors (see below), whose sum is σ = 16073450496. Its totient is φ = 7060035840.
The previous prime is 11312106121. The next prime is 11312106131. The reversal of 11312106123 is 32160121311.
It is not a de Polignac number, because 11312106123 - 21 = 11312106121 is a prime.
It is a super-2 number, since 2×113121061232 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 11312106123.
It is not an unprimeable number, because it can be changed into a prime (11312106121) 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, 1740838 + ... + 1747323.
It is an arithmetic number, because the mean of its divisors is an integer number (1004590656).
Almost surely, 211312106123 is an apocalyptic number.
11312106123 is a deficient number, since it is larger than the sum of its proper divisors (4761344373).
11312106123 is a wasteful number, since it uses less digits than its factorization.
11312106123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3488234.
The product of its (nonzero) digits is 216, while the sum is 21.
Adding to 11312106123 its reverse (32160121311), we get a palindrome (43472227434).
The spelling of 11312106123 in words is "eleven billion, three hundred twelve million, one hundred six thousand, one hundred twenty-three".
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