Search a number
-
+
389529519129 = 3431222372
BaseRepresentation
bin1011010101100011100…
…01001100010000011001
31101020102222111211110000
411222301301030100121
522340224024103004
6454540345243213
740066622165502
oct5526161142031
91336388454400
10389529519129
11140220293123
12635b0793509
132a96a332c2a
1414bd376dba9
15a1ec5a3c39
hex5ab1c4c419

389529519129 has 45 divisors (see below), whose sum is σ = 601534820271. Its totient is φ = 251197025040.

The previous prime is 389529519097. The next prime is 389529519133. The reversal of 389529519129 is 921915925983.

The square root of 389529519129 is 624123.

It is a perfect power (a square), and thus also a powerful number.

389529519129 is a `hidden beast` number, since 3 + 8 + 95 + 2 + 9 + 519 + 1 + 29 = 666.

It can be written as a sum of positive squares in only one way, i.e., 309809126025 + 79720393104 = 556605^2 + 282348^2 .

It is not a de Polignac number, because 389529519129 - 25 = 389529519097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (389529519229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 174129199 + ... + 174131435.

Almost surely, 2389529519129 is an apocalyptic number.

389529519129 is the 624123-rd square number.

389529519129 is the 312062-nd centered octagonal number.

It is an amenable number.

389529519129 is a deficient number, since it is larger than the sum of its proper divisors (212005301142).

389529519129 is an frugal number, since it uses more digits than its factorization.

389529519129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4548 (or 2271 counting only the distinct ones).

The product of its digits is 15746400, while the sum is 63.

The spelling of 389529519129 in words is "three hundred eighty-nine billion, five hundred twenty-nine million, five hundred nineteen thousand, one hundred twenty-nine".

Divisors: 1 3 9 27 31 81 93 279 837 961 2237 2511 2883 6711 8649 20133 25947 60399 69347 77841 181197 208041 624123 1872369 2149757 5004169 5617107 6449271 15012507 19347813 45037521 58043439 135112563 155129239 174130317 405337689 465387717 1396163151 4188489453 4809006409 12565468359 14427019227 43281057681 129843173043 389529519129