Base | Representation |
---|---|
bin | 10011110101010101010… |
… | …01000000001011101101 |
3 | 2102010222122201102112222 |
4 | 21322222221000023231 |
5 | 42131121213130031 |
6 | 1241021214005125 |
7 | 100143255642053 |
oct | 11725251001355 |
9 | 2363878642488 |
10 | 681467708141 |
11 | 243010834510 |
12 | b00a61a67a5 |
13 | 4c353b8937c |
14 | 24da9d181d3 |
15 | 12ad7107e7b |
hex | 9eaaa402ed |
681467708141 has 32 divisors (see below), whose sum is σ = 799115092992. Its totient is φ = 574215586560.
The previous prime is 681467708113. The next prime is 681467708219. The reversal of 681467708141 is 141807764186.
It is a de Polignac number, because none of the positive numbers 2k-681467708141 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (681467708941) 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 31 ways as a sum of consecutive naturals, for example, 90292730 + ... + 90300276.
It is an arithmetic number, because the mean of its divisors is an integer number (24972346656).
Almost surely, 2681467708141 is an apocalyptic number.
It is an amenable number.
681467708141 is a deficient number, since it is larger than the sum of its proper divisors (117647384851).
681467708141 is a wasteful number, since it uses less digits than its factorization.
681467708141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14849.
The product of its (nonzero) digits is 1806336, while the sum is 53.
The spelling of 681467708141 in words is "six hundred eighty-one billion, four hundred sixty-seven million, seven hundred eight thousand, one hundred forty-one".
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