Base | Representation |
---|---|
bin | 110000001010110000… |
… | …0011100110011011111 |
3 | 100212222220200122102021 |
4 | 1200111200130303133 |
5 | 3143321122340411 |
6 | 115304131041011 |
7 | 10321224601030 |
oct | 1402540346337 |
9 | 325886618367 |
10 | 103440043231 |
11 | 3a961231538 |
12 | 18069a40167 |
13 | 99a6415995 |
14 | 5013c92a87 |
15 | 2a56251a71 |
hex | 181581ccdf |
103440043231 has 8 divisors (see below), whose sum is σ = 118287032864. Its totient is φ = 88610513760.
The previous prime is 103440043229. The next prime is 103440043277. The reversal of 103440043231 is 132340044301.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 103440043231 - 21 = 103440043229 is a prime.
It is a super-2 number, since 2×1034400432312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 103440043196 and 103440043205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103440043831) 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, 4352340 + ... + 4376041.
It is an arithmetic number, because the mean of its divisors is an integer number (14785879108).
Almost surely, 2103440043231 is an apocalyptic number.
103440043231 is a deficient number, since it is larger than the sum of its proper divisors (14846989633).
103440043231 is an equidigital number, since it uses as much as digits as its factorization.
103440043231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8730081.
The product of its (nonzero) digits is 3456, while the sum is 25.
Adding to 103440043231 its reverse (132340044301), we get a palindrome (235780087532).
The spelling of 103440043231 in words is "one hundred three billion, four hundred forty million, forty-three thousand, two hundred thirty-one".
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