Base | Representation |
---|---|
bin | 101001010110010… |
… | …0010001101110011 |
3 | 10120200122112111122 |
4 | 1102230202031303 |
5 | 10320133444240 |
6 | 345400532455 |
7 | 46244521010 |
oct | 12254421563 |
9 | 3520575448 |
10 | 1387406195 |
11 | 65217789a |
12 | 32878112b |
13 | 19158c416 |
14 | d2394707 |
15 | 81c084b5 |
hex | 52b22373 |
1387406195 has 16 divisors (see below), whose sum is σ = 1921572288. Its totient is φ = 941942400.
The previous prime is 1387406179. The next prime is 1387406213. The reversal of 1387406195 is 5916047831.
It is not a de Polignac number, because 1387406195 - 24 = 1387406179 is a prime.
It is a Duffinian 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, 192704 + ... + 199773.
It is an arithmetic number, because the mean of its divisors is an integer number (120098268).
Almost surely, 21387406195 is an apocalyptic number.
1387406195 is a deficient number, since it is larger than the sum of its proper divisors (534166093).
1387406195 is a wasteful number, since it uses less digits than its factorization.
1387406195 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 392590.
The product of its (nonzero) digits is 181440, while the sum is 44.
The square root of 1387406195 is about 37247.9018872204. The cubic root of 1387406195 is about 1115.3244164486.
The spelling of 1387406195 in words is "one billion, three hundred eighty-seven million, four hundred six thousand, one hundred ninety-five".
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