Base | Representation |
---|---|
bin | 111010000010110011011… |
… | …101010100011001100111 |
3 | 112010022122011212201010022 |
4 | 322002303131110121213 |
5 | 1010322420024124322 |
6 | 12252222502545355 |
7 | 561114464324240 |
oct | 72026335243147 |
9 | 15108564781108 |
10 | 3988740458087 |
11 | 12a8685003130 |
12 | 54506513825b |
13 | 22c1a119a4b8 |
14 | db0adbcbcc7 |
15 | 6db5274e942 |
hex | 3a0b3754667 |
3988740458087 has 32 divisors (see below), whose sum is σ = 4997233920000. Its totient is φ = 3092961542400.
The previous prime is 3988740458081. The next prime is 3988740458111. The reversal of 3988740458087 is 7808540478893.
It is a cyclic number.
It is not a de Polignac number, because 3988740458087 - 212 = 3988740453991 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 3988740458087.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3988740458081) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35191787 + ... + 35304947.
It is an arithmetic number, because the mean of its divisors is an integer number (156163560000).
Almost surely, 23988740458087 is an apocalyptic number.
3988740458087 is a deficient number, since it is larger than the sum of its proper divisors (1008493461913).
3988740458087 is a wasteful number, since it uses less digits than its factorization.
3988740458087 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 115407.
The product of its (nonzero) digits is 433520640, while the sum is 71.
The spelling of 3988740458087 in words is "three trillion, nine hundred eighty-eight billion, seven hundred forty million, four hundred fifty-eight thousand, eighty-seven".
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