Base | Representation |
---|---|
bin | 11101110010111101011001… |
… | …110010001111100101010111 |
3 | 122011222210201000220021201202 |
4 | 131302331121302033211113 |
5 | 114134021134344332021 |
6 | 1142413205224143115 |
7 | 36413464355024423 |
oct | 3562753162174527 |
9 | 564883630807652 |
10 | 131045253511511 |
11 | 38833a862a0109 |
12 | 12845546307a9b |
13 | 581768c133971 |
14 | 24508a47c5b83 |
15 | 1023bc3b27a0b |
hex | 772f59c8f957 |
131045253511511 has 16 divisors (see below), whose sum is σ = 140205816774240. Its totient is φ = 122111095518720.
The previous prime is 131045253511499. The next prime is 131045253511531. The reversal of 131045253511511 is 115115352540131.
It is a cyclic number.
It is not a de Polignac number, because 131045253511511 - 238 = 130770375604567 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 (131045253511531) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80126891 + ... + 81746003.
It is an arithmetic number, because the mean of its divisors is an integer number (8762863548390).
Almost surely, 2131045253511511 is an apocalyptic number.
131045253511511 is a deficient number, since it is larger than the sum of its proper divisors (9160563262729).
131045253511511 is a wasteful number, since it uses less digits than its factorization.
131045253511511 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1689026.
The product of its (nonzero) digits is 45000, while the sum is 38.
The spelling of 131045253511511 in words is "one hundred thirty-one trillion, forty-five billion, two hundred fifty-three million, five hundred eleven thousand, five hundred eleven".
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