Base | Representation |
---|---|
bin | 111101000011011011… |
… | …0011001010110100101 |
3 | 110112102101021111201012 |
4 | 1322012312121112211 |
5 | 4122004011103240 |
6 | 140122020512005 |
7 | 12321030504530 |
oct | 1720666312645 |
9 | 415371244635 |
10 | 131111425445 |
11 | 50670a88560 |
12 | 214b0b4b605 |
13 | c496225b20 |
14 | 64bad3da17 |
15 | 3625704b65 |
hex | 1e86d995a5 |
131111425445 has 128 divisors (see below), whose sum is σ = 219469824000. Its totient is φ = 72559872000.
The previous prime is 131111425427. The next prime is 131111425469. The reversal of 131111425445 is 544524111131.
It is not a de Polignac number, because 131111425445 - 26 = 131111425381 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 14565056 + ... + 14574054.
It is an arithmetic number, because the mean of its divisors is an integer number (1714608000).
Almost surely, 2131111425445 is an apocalyptic number.
It is an amenable number.
131111425445 is a deficient number, since it is larger than the sum of its proper divisors (88358398555).
131111425445 is a wasteful number, since it uses less digits than its factorization.
131111425445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9147.
The product of its digits is 9600, while the sum is 32.
Adding to 131111425445 its reverse (544524111131), we get a palindrome (675635536576).
The spelling of 131111425445 in words is "one hundred thirty-one billion, one hundred eleven million, four hundred twenty-five thousand, four hundred forty-five".
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