Base | Representation |
---|---|
bin | 100101001001000111… |
… | …101100100101011100 |
3 | 10210221102000002021100 |
4 | 211021013230211130 |
5 | 1123134123210220 |
6 | 30153222033100 |
7 | 2611204550211 |
oct | 451107544534 |
9 | 123842002240 |
10 | 39881460060 |
11 | 15a06054252 |
12 | 7890278790 |
13 | 39b764a0a0 |
14 | 1d04951b08 |
15 | 10863bdd90 |
hex | 9491ec95c |
39881460060 has 144 divisors (see below), whose sum is σ = 130351908960. Its totient is φ = 9811514880.
The previous prime is 39881460043. The next prime is 39881460061. The reversal of 39881460060 is 6006418893.
39881460060 is a `hidden beast` number, since 39 + 8 + 8 + 1 + 4 + 600 + 6 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a junction number, because it is equal to n+sod(n) for n = 39881459988 and 39881460015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (39881460061) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5638206 + ... + 5645274.
It is an arithmetic number, because the mean of its divisors is an integer number (905221590).
Almost surely, 239881460060 is an apocalyptic number.
39881460060 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 39881460060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65175954480).
39881460060 is an abundant number, since it is smaller than the sum of its proper divisors (90470448900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
39881460060 is a wasteful number, since it uses less digits than its factorization.
39881460060 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9508 (or 9503 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 45.
The spelling of 39881460060 in words is "thirty-nine billion, eight hundred eighty-one million, four hundred sixty thousand, sixty".
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