Base | Representation |
---|---|
bin | 111111001011101001… |
… | …0101011101000001001 |
3 | 110222012221002002202021 |
4 | 1332113102223220021 |
5 | 4210334123234311 |
6 | 142155341204441 |
7 | 12542222015500 |
oct | 1762722535011 |
9 | 428187062667 |
10 | 135682243081 |
11 | 525a70a84a0 |
12 | 22367860721 |
13 | ca44196348 |
14 | 67d2001837 |
15 | 37e1b31171 |
hex | 1f974aba09 |
135682243081 has 48 divisors (see below), whose sum is σ = 177929740800. Its totient is φ = 102205152000.
The previous prime is 135682243079. The next prime is 135682243111. The reversal of 135682243081 is 180342286531.
It is not a de Polignac number, because 135682243081 - 21 = 135682243079 is a prime.
It is a super-2 number, since 2×1356822430812 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (135682243001) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17523871 + ... + 17531611.
It is an arithmetic number, because the mean of its divisors is an integer number (3706869600).
Almost surely, 2135682243081 is an apocalyptic number.
135682243081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
135682243081 is a deficient number, since it is larger than the sum of its proper divisors (42247497719).
135682243081 is a wasteful number, since it uses less digits than its factorization.
135682243081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8846 (or 8839 counting only the distinct ones).
The product of its (nonzero) digits is 276480, while the sum is 43.
The spelling of 135682243081 in words is "one hundred thirty-five billion, six hundred eighty-two million, two hundred forty-three thousand, eighty-one".
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