Base | Representation |
---|---|
bin | 10010111001001010… |
… | …10010001001011011 |
3 | 222011220020120020002 |
4 | 21130211102021123 |
5 | 131233130241443 |
6 | 4354300123215 |
7 | 506233611002 |
oct | 113445221133 |
9 | 28156216202 |
10 | 10143212123 |
11 | 4335640440 |
12 | 1b70b3650b |
13 | c58580885 |
14 | 6c31a1c39 |
15 | 3e574b2b8 |
hex | 25c95225b |
10143212123 has 8 divisors (see below), whose sum is σ = 11066204016. Its totient is φ = 9220367200.
The previous prime is 10143212119. The next prime is 10143212141. The reversal of 10143212123 is 32121234101.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 10143212123 - 22 = 10143212119 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 10143212095 and 10143212104.
It is not an unprimeable number, because it can be changed into a prime (10143212113) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147965 + ... + 205377.
It is an arithmetic number, because the mean of its divisors is an integer number (1383275502).
Almost surely, 210143212123 is an apocalyptic number.
10143212123 is a deficient number, since it is larger than the sum of its proper divisors (922991893).
10143212123 is a wasteful number, since it uses less digits than its factorization.
10143212123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 73485.
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 10143212123 its reverse (32121234101), we get a palindrome (42264446224).
The spelling of 10143212123 in words is "ten billion, one hundred forty-three million, two hundred twelve thousand, one hundred twenty-three".
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