Base | Representation |
---|---|
bin | 111101001101010000… |
… | …1101110100100011111 |
3 | 110120021101110122201120 |
4 | 1322122201232210133 |
5 | 4123143014123042 |
6 | 140214452342023 |
7 | 12332146516560 |
oct | 1723241564437 |
9 | 416241418646 |
10 | 131441551647 |
11 | 5082036922a |
12 | 21583614913 |
13 | c519741183 |
14 | 650cb16167 |
15 | 36446b4dec |
hex | 1e9a86e91f |
131441551647 has 16 divisors (see below), whose sum is σ = 200388202752. Its totient is φ = 75073340160.
The previous prime is 131441551621. The next prime is 131441551667. The reversal of 131441551647 is 746155144131.
It is not a de Polignac number, because 131441551647 - 219 = 131441027359 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 131441551599 and 131441551608.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131441551667) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1460173 + ... + 1547574.
It is an arithmetic number, because the mean of its divisors is an integer number (12524262672).
Almost surely, 2131441551647 is an apocalyptic number.
131441551647 is a deficient number, since it is larger than the sum of its proper divisors (68946651105).
131441551647 is a wasteful number, since it uses less digits than its factorization.
131441551647 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3009838.
The product of its digits is 201600, while the sum is 42.
Adding to 131441551647 its reverse (746155144131), we get a palindrome (877596695778).
The spelling of 131441551647 in words is "one hundred thirty-one billion, four hundred forty-one million, five hundred fifty-one thousand, six hundred forty-seven".
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