Base | Representation |
---|---|
bin | 110111111001100110… |
… | …1001010100001000111 |
3 | 102110212002202221222000 |
4 | 1233303031022201013 |
5 | 3431322333301211 |
6 | 131051520440343 |
7 | 11446545555051 |
oct | 1576315124107 |
9 | 373762687860 |
10 | 120044431431 |
11 | 46a01a52111 |
12 | 1b3227790b3 |
13 | b421472c62 |
14 | 5b4b1d08d1 |
15 | 31c8d30656 |
hex | 1bf334a847 |
120044431431 has 48 divisors (see below), whose sum is σ = 190155319200. Its totient is φ = 74582788608.
The previous prime is 120044431421. The next prime is 120044431447. The reversal of 120044431431 is 134134440021.
120044431431 is a `hidden beast` number, since 1 + 200 + 4 + 443 + 14 + 3 + 1 = 666.
It is not a de Polignac number, because 120044431431 - 25 = 120044431399 is a prime.
It is a super-2 number, since 2×1200444314312 (a number of 23 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 = 120044431395 and 120044431404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120044431421) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 77497245 + ... + 77498793.
It is an arithmetic number, because the mean of its divisors is an integer number (3961569150).
Almost surely, 2120044431431 is an apocalyptic number.
120044431431 is a deficient number, since it is larger than the sum of its proper divisors (70110887769).
120044431431 is an equidigital number, since it uses as much as digits as its factorization.
120044431431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3233 (or 1678 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 27.
Adding to 120044431431 its reverse (134134440021), we get a palindrome (254178871452).
The spelling of 120044431431 in words is "one hundred twenty billion, forty-four million, four hundred thirty-one thousand, four hundred thirty-one".
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