Base | Representation |
---|---|
bin | 101001010001111… |
… | …0001010000100111 |
3 | 10120112022210200112 |
4 | 1102203301100213 |
5 | 10314041433034 |
6 | 345235403235 |
7 | 46216141154 |
oct | 12243612047 |
9 | 3515283615 |
10 | 1385108519 |
11 | 650948593 |
12 | 327a5351b |
13 | 190c66652 |
14 | d1d5722b |
15 | 819027ce |
hex | 528f1427 |
1385108519 has 8 divisors (see below), whose sum is σ = 1415193120. Its totient is φ = 1355170336.
The previous prime is 1385108509. The next prime is 1385108567. The reversal of 1385108519 is 9158015831.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1385108519 is a prime.
It is a super-2 number, since 2×13851085192 = 3837051218812746722, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1385108509) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17372 + ... + 55425.
It is an arithmetic number, because the mean of its divisors is an integer number (176899140).
Almost surely, 21385108519 is an apocalyptic number.
1385108519 is a deficient number, since it is larger than the sum of its proper divisors (30084601).
1385108519 is an equidigital number, since it uses as much as digits as its factorization.
1385108519 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 73209.
The product of its (nonzero) digits is 43200, while the sum is 41.
The square root of 1385108519 is about 37217.0460810634. The cubic root of 1385108519 is about 1114.7083819803.
The spelling of 1385108519 in words is "one billion, three hundred eighty-five million, one hundred eight thousand, five hundred nineteen".
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