Base | Representation |
---|---|
bin | 11110101011010111000… |
… | …001111011010010111001 |
3 | 21110112111000022101102020 |
4 | 132223113001323102321 |
5 | 234014433221101442 |
6 | 4252244502225053 |
7 | 305210466531540 |
oct | 36532701732271 |
9 | 7415430271366 |
10 | 2108141581497 |
11 | 74306aa66636 |
12 | 2a06a4425189 |
13 | 123a48a29053 |
14 | 7406ad11157 |
15 | 39c86d7c9ec |
hex | 1ead707b4b9 |
2108141581497 has 64 divisors (see below), whose sum is σ = 3363126220800. Its totient is φ = 1149188705280.
The previous prime is 2108141581487. The next prime is 2108141581499. The reversal of 2108141581497 is 7941851418012.
It is not a de Polignac number, because 2108141581497 - 210 = 2108141580473 is a prime.
It is a super-2 number, since 2×21081415814972 (a number of 25 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2108141581499) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24654097 + ... + 24739457.
It is an arithmetic number, because the mean of its divisors is an integer number (52548847200).
Almost surely, 22108141581497 is an apocalyptic number.
It is an amenable number.
2108141581497 is a deficient number, since it is larger than the sum of its proper divisors (1254984639303).
2108141581497 is a wasteful number, since it uses less digits than its factorization.
2108141581497 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 85886.
The product of its (nonzero) digits is 645120, while the sum is 51.
The spelling of 2108141581497 in words is "two trillion, one hundred eight billion, one hundred forty-one million, five hundred eighty-one thousand, four hundred ninety-seven".
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