Base | Representation |
---|---|
bin | 100101000000101111… |
… | …101100000011001111 |
3 | 10210120121121100220102 |
4 | 211000233230003033 |
5 | 1122342140324222 |
6 | 30131242241315 |
7 | 2604550330106 |
oct | 450057540317 |
9 | 123517540812 |
10 | 39740948687 |
11 | 15943802a50 |
12 | 78511b623b |
13 | 39944c106b |
14 | 1cd001703d |
15 | 1078db5d92 |
hex | 940bec0cf |
39740948687 has 16 divisors (see below), whose sum is σ = 44388389760. Its totient is φ = 35266946400.
The previous prime is 39740948669. The next prime is 39740948699. The reversal of 39740948687 is 78684904793.
It is a cyclic number.
It is not a de Polignac number, because 39740948687 - 214 = 39740932303 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (39740948627) 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 15 ways as a sum of consecutive naturals, for example, 799364 + ... + 847622.
It is an arithmetic number, because the mean of its divisors is an integer number (2774274360).
Almost surely, 239740948687 is an apocalyptic number.
39740948687 is a deficient number, since it is larger than the sum of its proper divisors (4647441073).
39740948687 is a wasteful number, since it uses less digits than its factorization.
39740948687 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50054.
The product of its (nonzero) digits is 73156608, while the sum is 65.
The spelling of 39740948687 in words is "thirty-nine billion, seven hundred forty million, nine hundred forty-eight thousand, six hundred eighty-seven".
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