Base | Representation |
---|---|
bin | 1111101000010… |
… | …10101111110011 |
3 | 100010201101100212 |
4 | 13310022233303 |
5 | 232031203034 |
6 | 21002134335 |
7 | 3151316306 |
oct | 764125763 |
9 | 303641325 |
10 | 131116019 |
11 | 68014451 |
12 | 37ab13ab |
13 | 21219758 |
14 | 135b0b3d |
15 | b79e2ce |
hex | 7d0abf3 |
131116019 has 8 divisors (see below), whose sum is σ = 143307648. Its totient is φ = 119422080.
The previous prime is 131116001. The next prime is 131116021. The reversal of 131116019 is 910611131.
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 131116019 - 28 = 131115763 is a prime.
It is a super-2 number, since 2×1311160192 = 34382820876816722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 131115985 and 131116003.
It is not an unprimeable number, because it can be changed into a prime (131116099) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123872 + ... + 124925.
It is an arithmetic number, because the mean of its divisors is an integer number (17913456).
Almost surely, 2131116019 is an apocalyptic number.
131116019 is a deficient number, since it is larger than the sum of its proper divisors (12191629).
131116019 is a wasteful number, since it uses less digits than its factorization.
131116019 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 248845.
The product of its (nonzero) digits is 162, while the sum is 23.
The square root of 131116019 is about 11450.5903341269. The cubic root of 131116019 is about 508.0251953424.
The spelling of 131116019 in words is "one hundred thirty-one million, one hundred sixteen thousand, nineteen".
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