Base | Representation |
---|---|
bin | 101001010101101… |
… | …1000001011110100 |
3 | 10120200002010112212 |
4 | 1102223120023310 |
5 | 10320044243324 |
6 | 345350232552 |
7 | 46242115652 |
oct | 12253301364 |
9 | 3520063485 |
10 | 1387102964 |
11 | 651a8aa95 |
12 | 328655758 |
13 | 1914b43b0 |
14 | d2315dd2 |
15 | 81b9870e |
hex | 52ad82f4 |
1387102964 has 24 divisors (see below), whose sum is σ = 2767931208. Its totient is φ = 602542080.
The previous prime is 1387102949. The next prime is 1387102979. The reversal of 1387102964 is 4692017831.
It is an interprime number because it is at equal distance from previous prime (1387102949) and next prime (1387102979).
It can be written as a sum of positive squares in 4 ways, for example, as 101163364 + 1285939600 = 10058^2 + 35860^2 .
It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 783677 + ... + 785444.
It is an arithmetic number, because the mean of its divisors is an integer number (115330467).
Almost surely, 21387102964 is an apocalyptic number.
It is an amenable number.
1387102964 is a deficient number, since it is larger than the sum of its proper divisors (1380828244).
1387102964 is a wasteful number, since it uses less digits than its factorization.
1387102964 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1569155 (or 1569153 counting only the distinct ones).
The product of its (nonzero) digits is 72576, while the sum is 41.
The square root of 1387102964 is about 37243.8312207539. The cubic root of 1387102964 is about 1115.2431555601.
The spelling of 1387102964 in words is "one billion, three hundred eighty-seven million, one hundred two thousand, nine hundred sixty-four".
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