Base | Representation |
---|---|
bin | 110000000000111101… |
… | …0111100001011001001 |
3 | 100212011000101000211201 |
4 | 1200001322330023021 |
5 | 3142133012140040 |
6 | 115211352024201 |
7 | 10310124543214 |
oct | 1400172741311 |
9 | 325130330751 |
10 | 103111443145 |
11 | 3a8027a3417 |
12 | 17b97992061 |
13 | 9953313169 |
14 | 4dc239677b |
15 | 2a37493a9a |
hex | 1801ebc2c9 |
103111443145 has 8 divisors (see below), whose sum is σ = 128000412360. Its totient is φ = 79644700800.
The previous prime is 103111443107. The next prime is 103111443173. The reversal of 103111443145 is 541344111301.
It can be written as a sum of positive squares in 4 ways, for example, as 1059307209 + 102052135936 = 32547^2 + 319456^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 103111443145 - 29 = 103111442633 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355556556 + ... + 355556845.
It is an arithmetic number, because the mean of its divisors is an integer number (16000051545).
Almost surely, 2103111443145 is an apocalyptic number.
It is an amenable number.
103111443145 is a deficient number, since it is larger than the sum of its proper divisors (24888969215).
103111443145 is an equidigital number, since it uses as much as digits as its factorization.
103111443145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 711113435.
The product of its (nonzero) digits is 2880, while the sum is 28.
Adding to 103111443145 its reverse (541344111301), we get a palindrome (644455554446).
The spelling of 103111443145 in words is "one hundred three billion, one hundred eleven million, four hundred forty-three thousand, one hundred forty-five".
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