Base | Representation |
---|---|
bin | 10000010101010100… |
… | …01100100010001101 |
3 | 211122002222120112102 |
4 | 20022222030202031 |
5 | 120424301040031 |
6 | 4010041044445 |
7 | 430204204460 |
oct | 101252144215 |
9 | 24562876472 |
10 | 8768768141 |
11 | 379a817321 |
12 | 1848786725 |
13 | a998ac403 |
14 | 5d28232d7 |
15 | 364c537cb |
hex | 20aa8c88d |
8768768141 has 4 divisors (see below), whose sum is σ = 10021449312. Its totient is φ = 7516086972.
The previous prime is 8768768131. The next prime is 8768768149. The reversal of 8768768141 is 1418678678.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1418678678 = 2 ⋅709339339.
It is a cyclic number.
It is not a de Polignac number, because 8768768141 - 218 = 8768505997 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8768768149) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 626340575 + ... + 626340588.
It is an arithmetic number, because the mean of its divisors is an integer number (2505362328).
Almost surely, 28768768141 is an apocalyptic number.
It is an amenable number.
8768768141 is a deficient number, since it is larger than the sum of its proper divisors (1252681171).
8768768141 is a wasteful number, since it uses less digits than its factorization.
8768768141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1252681170.
The product of its digits is 3612672, while the sum is 56.
The square root of 8768768141 is about 93641.7008655866. The cubic root of 8768768141 is about 2062.1149094618.
The spelling of 8768768141 in words is "eight billion, seven hundred sixty-eight million, seven hundred sixty-eight thousand, one hundred forty-one".
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