Base | Representation |
---|---|
bin | 11100000100001001001111… |
… | …010101001011001101000111 |
3 | 121012000210122222011011121000 |
4 | 130010021033111023031013 |
5 | 112134234321340302211 |
6 | 1114303001115424343 |
7 | 34666346653410303 |
oct | 3404111725131507 |
9 | 535023588134530 |
10 | 123430101103431 |
11 | 36368459290871 |
12 | 11a156b71550b3 |
13 | 53b454089bac5 |
14 | 226a097b70d03 |
15 | e40a781dd656 |
hex | 70424f54b347 |
123430101103431 has 16 divisors (see below), whose sum is σ = 182860919078400. Its totient is φ = 82286054552664.
The previous prime is 123430101103349. The next prime is 123430101103447. The reversal of 123430101103431 is 134301101034321.
123430101103431 is a `hidden beast` number, since 1 + 2 + 3 + 4 + 301 + 0 + 1 + 10 + 343 + 1 = 666.
It is not a de Polignac number, because 123430101103431 - 211 = 123430101101383 is a prime.
It is a super-2 number, since 2×1234301011034312 (a number of 29 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 123430101103395 and 123430101103404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123430101103481) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15534561 + ... + 22094858.
It is an arithmetic number, because the mean of its divisors is an integer number (11428807442400).
Almost surely, 2123430101103431 is an apocalyptic number.
123430101103431 is a deficient number, since it is larger than the sum of its proper divisors (59430817974969).
123430101103431 is a wasteful number, since it uses less digits than its factorization.
123430101103431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37750915 (or 37750909 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 27.
Adding to 123430101103431 its reverse (134301101034321), we get a palindrome (257731202137752).
The spelling of 123430101103431 in words is "one hundred twenty-three trillion, four hundred thirty billion, one hundred one million, one hundred three thousand, four hundred thirty-one".
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