Base | Representation |
---|---|
bin | 101111000011101011… |
… | …0110001100010100011 |
3 | 100122211201002010000221 |
4 | 1132013112301202203 |
5 | 3123430104021201 |
6 | 114231334223511 |
7 | 10205145351253 |
oct | 1360726614243 |
9 | 318751063027 |
10 | 101055142051 |
11 | 39947aa1a26 |
12 | 177031b4b97 |
13 | 96b62b5656 |
14 | 4c69243963 |
15 | 2966bae4a1 |
hex | 17875b18a3 |
101055142051 has 4 divisors (see below), whose sum is σ = 101266113600. Its totient is φ = 100844170504.
The previous prime is 101055142009. The next prime is 101055142081. The reversal of 101055142051 is 150241550101.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150241550101 = 169583 ⋅885947.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-101055142051 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (101055142081) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105485056 + ... + 105486013.
It is an arithmetic number, because the mean of its divisors is an integer number (25316528400).
Almost surely, 2101055142051 is an apocalyptic number.
101055142051 is a deficient number, since it is larger than the sum of its proper divisors (210971549).
101055142051 is an equidigital number, since it uses as much as digits as its factorization.
101055142051 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 210971548.
The product of its (nonzero) digits is 1000, while the sum is 25.
Adding to 101055142051 its reverse (150241550101), we get a palindrome (251296692152).
The spelling of 101055142051 in words is "one hundred one billion, fifty-five million, one hundred forty-two thousand, fifty-one".
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