Base | Representation |
---|---|
bin | 101001011010001… |
… | …1001100111011111 |
3 | 10120211112021221111 |
4 | 1102310121213133 |
5 | 10321200440002 |
6 | 345513042451 |
7 | 46301166325 |
oct | 12264314737 |
9 | 3524467844 |
10 | 1389468127 |
11 | 653355a73 |
12 | 3293b6427 |
13 | 191b31ab8 |
14 | d276dd15 |
15 | 81eb43d7 |
hex | 52d199df |
1389468127 has 8 divisors (see below), whose sum is σ = 1398503792. Its totient is φ = 1380456000.
The previous prime is 1389468079. The next prime is 1389468139. The reversal of 1389468127 is 7218649831.
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-1389468127 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1389462127) 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, 121333 + ... + 132289.
It is an arithmetic number, because the mean of its divisors is an integer number (174812974).
Almost surely, 21389468127 is an apocalyptic number.
1389468127 is a deficient number, since it is larger than the sum of its proper divisors (9035665).
1389468127 is a wasteful number, since it uses less digits than its factorization.
1389468127 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11769.
The product of its digits is 580608, while the sum is 49.
The square root of 1389468127 is about 37275.5701096576. The cubic root of 1389468127 is about 1115.8766663441.
The spelling of 1389468127 in words is "one billion, three hundred eighty-nine million, four hundred sixty-eight thousand, one hundred twenty-seven".
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