Base | Representation |
---|---|
bin | 101111000101010101… |
… | …1111001101010110111 |
3 | 100122222121012121020011 |
4 | 1132022223321222313 |
5 | 3124033404341043 |
6 | 114241051521051 |
7 | 10206424264420 |
oct | 1361253715267 |
9 | 318877177204 |
10 | 101111012023 |
11 | 3997659195a |
12 | 17719a59187 |
13 | 96c4a477c8 |
14 | 4c72828647 |
15 | 296ba4859d |
hex | 178aaf9ab7 |
101111012023 has 8 divisors (see below), whose sum is σ = 115557432192. Its totient is φ = 86665089336.
The previous prime is 101111011993. The next prime is 101111012059. The reversal of 101111012023 is 320210111101.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-101111012023 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 101111011994 and 101111012012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101111012323) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 568536 + ... + 724882.
It is an arithmetic number, because the mean of its divisors is an integer number (14444679024).
Almost surely, 2101111012023 is an apocalyptic number.
101111012023 is a deficient number, since it is larger than the sum of its proper divisors (14446420169).
101111012023 is an equidigital number, since it uses as much as digits as its factorization.
101111012023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 248741.
The product of its (nonzero) digits is 12, while the sum is 13.
Adding to 101111012023 its reverse (320210111101), we get a palindrome (421321123124).
The spelling of 101111012023 in words is "one hundred one billion, one hundred eleven million, twelve thousand, twenty-three".
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