Base | Representation |
---|---|
bin | 101001001001000… |
… | …1000011110010111 |
3 | 10120012121220102122 |
4 | 1102102020132113 |
5 | 10311401010030 |
6 | 344552330155 |
7 | 46131633440 |
oct | 12222103627 |
9 | 3505556378 |
10 | 1380485015 |
11 | 64927a908 |
12 | 3263a395b |
13 | 190008050 |
14 | d14b22c7 |
15 | 812dc8e5 |
hex | 52488797 |
1380485015 has 16 divisors (see below), whose sum is σ = 2038870848. Its totient is φ = 873801216.
The previous prime is 1380484991. The next prime is 1380485023. The reversal of 1380485015 is 5105840831.
It is a cyclic number.
It is not a de Polignac number, because 1380485015 - 28 = 1380484759 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is a congruent 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, 1516562 + ... + 1517471.
It is an arithmetic number, because the mean of its divisors is an integer number (127429428).
Almost surely, 21380485015 is an apocalyptic number.
1380485015 is a deficient number, since it is larger than the sum of its proper divisors (658385833).
1380485015 is a wasteful number, since it uses less digits than its factorization.
1380485015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3034058.
The product of its (nonzero) digits is 19200, while the sum is 35.
The square root of 1380485015 is about 37154.8787509797. The cubic root of 1380485015 is about 1113.4666973538.
The spelling of 1380485015 in words is "one billion, three hundred eighty million, four hundred eighty-five thousand, fifteen".
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