Base | Representation |
---|---|
bin | 101111111110001111… |
… | …0001100111000001111 |
3 | 100211220122100102101221 |
4 | 1133330132030320033 |
5 | 3141441111221221 |
6 | 115154324344211 |
7 | 10304634515122 |
oct | 1377436147017 |
9 | 324818312357 |
10 | 103020023311 |
11 | 3a766132337 |
12 | 17b71245067 |
13 | 993a3b4b9a |
14 | 4db419a3b9 |
15 | 2a2e436541 |
hex | 17fc78ce0f |
103020023311 has 4 divisors (see below), whose sum is σ = 103163306400. Its totient is φ = 102876740224.
The previous prime is 103020023257. The next prime is 103020023321. The reversal of 103020023311 is 113320020301.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113320020301 = 149 ⋅760537049.
It is a cyclic number.
It is not a de Polignac number, because 103020023311 - 29 = 103020022799 is a prime.
It is a super-2 number, since 2×1030200233112 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103020023321) 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 3 ways as a sum of consecutive naturals, for example, 71640466 + ... + 71641903.
It is an arithmetic number, because the mean of its divisors is an integer number (25790826600).
Almost surely, 2103020023311 is an apocalyptic number.
103020023311 is a deficient number, since it is larger than the sum of its proper divisors (143283089).
103020023311 is an equidigital number, since it uses as much as digits as its factorization.
103020023311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 143283088.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 103020023311 its reverse (113320020301), we get a palindrome (216340043612).
The spelling of 103020023311 in words is "one hundred three billion, twenty million, twenty-three thousand, three hundred eleven".
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