Base | Representation |
---|---|
bin | 11101110100010111100110… |
… | …111000011101111011100111 |
3 | 122012100001201010111021002201 |
4 | 131310113212320131323213 |
5 | 114142113020130323421 |
6 | 1142525504215115331 |
7 | 36423463511500633 |
oct | 3564274670357347 |
9 | 565301633437081 |
10 | 131142110011111 |
11 | 388710692628a1 |
12 | 12860277372b47 |
13 | 58238565c74a4 |
14 | 2455452167dc3 |
15 | 1026491dc4b91 |
hex | 7745e6e1dee7 |
131142110011111 has 8 divisors (see below), whose sum is σ = 131193202111344. Its totient is φ = 131091018891840.
The previous prime is 131142110011097. The next prime is 131142110011123. The reversal of 131142110011111 is 111110011241131.
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 131142110011111 - 241 = 128943086755559 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131142110017111) 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, 382869756 + ... + 383212126.
It is an arithmetic number, because the mean of its divisors is an integer number (16399150263918).
Almost surely, 2131142110011111 is an apocalyptic number.
131142110011111 is a deficient number, since it is larger than the sum of its proper divisors (51092100233).
131142110011111 is a wasteful number, since it uses less digits than its factorization.
131142110011111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 490481.
The product of its (nonzero) digits is 24, while the sum is 19.
Adding to 131142110011111 its reverse (111110011241131), we get a palindrome (242252121252242).
It can be divided in two parts, 13114 and 2110011111, that added together give a square (2110024225 = 459352).
The spelling of 131142110011111 in words is "one hundred thirty-one trillion, one hundred forty-two billion, one hundred ten million, eleven thousand, one hundred eleven".
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