Base | Representation |
---|---|
bin | 100101000000110010… |
… | …011110101001010000 |
3 | 10210120122222112100210 |
4 | 211000302132221100 |
5 | 1122342332231313 |
6 | 30131310044120 |
7 | 2604556464606 |
oct | 450062365120 |
9 | 123518875323 |
10 | 39741680208 |
11 | 1594416260a |
12 | 78514a9640 |
13 | 39946b9009 |
14 | 1cd0167876 |
15 | 1078eac9c3 |
hex | 940c9ea50 |
39741680208 has 80 divisors (see below), whose sum is σ = 104961496320. Its totient is φ = 12951633408.
The previous prime is 39741680159. The next prime is 39741680221. The reversal of 39741680208 is 80208614793.
It is a super-2 number, since 2×397416802082 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2240398 + ... + 2258066.
It is an arithmetic number, because the mean of its divisors is an integer number (1312018704).
Almost surely, 239741680208 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 39741680208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52480748160).
39741680208 is an abundant number, since it is smaller than the sum of its proper divisors (65219816112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
39741680208 is a wasteful number, since it uses less digits than its factorization.
39741680208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18724 (or 18718 counting only the distinct ones).
The product of its (nonzero) digits is 580608, while the sum is 48.
The spelling of 39741680208 in words is "thirty-nine billion, seven hundred forty-one million, six hundred eighty thousand, two hundred eight".
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