Base | Representation |
---|---|
bin | 110000000001001110… |
… | …0011011101110011011 |
3 | 100212011121220002201101 |
4 | 1200002130123232123 |
5 | 3142142234120011 |
6 | 115212304132231 |
7 | 10310262301642 |
oct | 1400234335633 |
9 | 325147802641 |
10 | 103120223131 |
11 | 3a80774aa02 |
12 | 17b9a907077 |
13 | 9955098613 |
14 | 4dc3600359 |
15 | 2a3812a2c1 |
hex | 180271bb9b |
103120223131 has 4 divisors (see below), whose sum is σ = 103120872232. Its totient is φ = 103119574032.
The previous prime is 103120223099. The next prime is 103120223153. The reversal of 103120223131 is 131322021301.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 103120223131 - 25 = 103120223099 is a prime.
It is a super-2 number, since 2×1031202231312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 103120223099 and 103120223108.
It is not an unprimeable number, because it can be changed into a prime (103120223431) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91720 + ... + 463306.
It is an arithmetic number, because the mean of its divisors is an integer number (25780218058).
Almost surely, 2103120223131 is an apocalyptic number.
103120223131 is a deficient number, since it is larger than the sum of its proper divisors (649101).
103120223131 is an equidigital number, since it uses as much as digits as its factorization.
103120223131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 649100.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 103120223131 its reverse (131322021301), we get a palindrome (234442244432).
The spelling of 103120223131 in words is "one hundred three billion, one hundred twenty million, two hundred twenty-three thousand, one hundred thirty-one".
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