Base | Representation |
---|---|
bin | 101001010110000… |
… | …0111000101100011 |
3 | 10120200102220002002 |
4 | 1102230013011203 |
5 | 10320121420300 |
6 | 345354314215 |
7 | 46243546025 |
oct | 12254070543 |
9 | 3520386062 |
10 | 1387295075 |
11 | 652101361 |
12 | 32872896b |
13 | 19155097a |
14 | d2366015 |
15 | 81bd55d5 |
hex | 52b07163 |
1387295075 has 12 divisors (see below), whose sum is σ = 1729258368. Its totient is φ = 1104021600.
The previous prime is 1387295029. The next prime is 1387295083. The reversal of 1387295075 is 5705927831.
It is not a de Polignac number, because 1387295075 - 214 = 1387278691 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140492 + ... + 150041.
It is an arithmetic number, because the mean of its divisors is an integer number (144104864).
Almost surely, 21387295075 is an apocalyptic number.
1387295075 is a deficient number, since it is larger than the sum of its proper divisors (341963293).
1387295075 is a wasteful number, since it uses less digits than its factorization.
1387295075 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 290734 (or 290729 counting only the distinct ones).
The product of its (nonzero) digits is 529200, while the sum is 47.
The square root of 1387295075 is about 37246.4102297121. The cubic root of 1387295075 is about 1115.2946395026.
The spelling of 1387295075 in words is "one billion, three hundred eighty-seven million, two hundred ninety-five thousand, seventy-five".
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