Base | Representation |
---|---|
bin | 111101000101000011… |
… | …1011001000101011001 |
3 | 110112120012100222100012 |
4 | 1322022013121011121 |
5 | 4122112022244231 |
6 | 140131255051305 |
7 | 12322264260425 |
oct | 1721207310531 |
9 | 415505328305 |
10 | 131166212441 |
11 | 506999a8870 |
12 | 21507370b35 |
13 | c4a4699074 |
14 | 64c4321b85 |
15 | 362a427e2b |
hex | 1e8a1d9159 |
131166212441 has 8 divisors (see below), whose sum is σ = 145790233344. Its totient is φ = 116992161520.
The previous prime is 131166212413. The next prime is 131166212449. The reversal of 131166212441 is 144212661131.
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 131166212441 - 222 = 131162018137 is a prime.
It is a super-2 number, since 2×1311662124412 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 131166212398 and 131166212407.
It is not an unprimeable number, because it can be changed into a prime (131166212449) 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, 112491881 + ... + 112493046.
It is an arithmetic number, because the mean of its divisors is an integer number (18223779168).
Almost surely, 2131166212441 is an apocalyptic number.
131166212441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
131166212441 is a deficient number, since it is larger than the sum of its proper divisors (14624020903).
131166212441 is a wasteful number, since it uses less digits than its factorization.
131166212441 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 224984991.
The product of its digits is 6912, while the sum is 32.
Adding to 131166212441 its reverse (144212661131), we get a palindrome (275378873572).
The spelling of 131166212441 in words is "one hundred thirty-one billion, one hundred sixty-six million, two hundred twelve thousand, four hundred forty-one".
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