Base | Representation |
---|---|
bin | 111101000011011000… |
… | …1010110000001110111 |
3 | 110112102021210020001210 |
4 | 1322012301112001313 |
5 | 4122003141213421 |
6 | 140121532252503 |
7 | 12321013320513 |
oct | 1720661260167 |
9 | 415367706053 |
10 | 131110101111 |
11 | 50670263570 |
12 | 214b0611133 |
13 | c495b810b2 |
14 | 64baab7143 |
15 | 3625542576 |
hex | 1e86c56077 |
131110101111 has 8 divisors (see below), whose sum is σ = 190705601664. Its totient is φ = 79460667320.
The previous prime is 131110101061. The next prime is 131110101121. The reversal of 131110101111 is 111101011131.
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 131110101111 - 211 = 131110099063 is a prime.
It is a super-2 number, since 2×1311101011112 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131110101121) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1986516651 + ... + 1986516716.
It is an arithmetic number, because the mean of its divisors is an integer number (23838200208).
Almost surely, 2131110101111 is an apocalyptic number.
131110101111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
131110101111 is a deficient number, since it is larger than the sum of its proper divisors (59595500553).
131110101111 is a wasteful number, since it uses less digits than its factorization.
131110101111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3973033381.
The product of its (nonzero) digits is 3, while the sum is 12.
Adding to 131110101111 its reverse (111101011131), we get a palindrome (242211112242).
It can be divided in two parts, 131110 and 101111, that added together give a triangular number (232221 = T681).
The spelling of 131110101111 in words is "one hundred thirty-one billion, one hundred ten million, one hundred one thousand, one hundred eleven".
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