Base | Representation |
---|---|
bin | 101001011101101… |
… | …1100110110100000 |
3 | 10120222000012021110 |
4 | 1102323130312200 |
5 | 10322134111014 |
6 | 350020423320 |
7 | 46322664663 |
oct | 12273346640 |
9 | 3528005243 |
10 | 1391316384 |
11 | 6543a8657 |
12 | 329b47b40 |
13 | 19232b143 |
14 | d2ad16da |
15 | 8222bd59 |
hex | 52edcda0 |
1391316384 has 48 divisors (see below), whose sum is σ = 3696229152. Its totient is φ = 458181888.
The previous prime is 1391316359. The next prime is 1391316413. The reversal of 1391316384 is 4836131931.
1391316384 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (48).
It is a super-3 number, since 3×13913163843 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
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, 79339 + ... + 95274.
It is an arithmetic number, because the mean of its divisors is an integer number (77004774).
Almost surely, 21391316384 is an apocalyptic number.
It is an amenable number.
1391316384 is an abundant number, since it is smaller than the sum of its proper divisors (2304912768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1391316384 is a wasteful number, since it uses less digits than its factorization.
1391316384 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 174709 (or 174701 counting only the distinct ones).
The product of its digits is 46656, while the sum is 39.
The square root of 1391316384 is about 37300.3536712455. The cubic root of 1391316384 is about 1116.3712232232.
The spelling of 1391316384 in words is "one billion, three hundred ninety-one million, three hundred sixteen thousand, three hundred eighty-four".
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