Base | Representation |
---|---|
bin | 111111110110100… |
… | …0110010001011101 |
3 | 12112022112201201022 |
4 | 1333231012101131 |
5 | 13341441403410 |
6 | 552333453525 |
7 | 104044123040 |
oct | 17755062135 |
9 | 5468481638 |
10 | 2142528605 |
11 | 9aa4464a8 |
12 | 4b96412a5 |
13 | 281b5b609 |
14 | 16479ac57 |
15 | c8168455 |
hex | 7fb4645d |
2142528605 has 16 divisors (see below), whose sum is σ = 3000844800. Its totient is φ = 1437902592.
The previous prime is 2142528593. The next prime is 2142528607. The reversal of 2142528605 is 5068252412.
It is not a de Polignac number, because 2142528605 - 26 = 2142528541 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 not an unprimeable number, because it can be changed into a prime (2142528607) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 649580 + ... + 652869.
It is an arithmetic number, because the mean of its divisors is an integer number (187552800).
Almost surely, 22142528605 is an apocalyptic number.
It is an amenable number.
2142528605 is a deficient number, since it is larger than the sum of its proper divisors (858316195).
2142528605 is a wasteful number, since it uses less digits than its factorization.
2142528605 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1302508.
The product of its (nonzero) digits is 38400, while the sum is 35.
The square root of 2142528605 is about 46287.4562381646. The cubic root of 2142528605 is about 1289.1660986750.
The spelling of 2142528605 in words is "two billion, one hundred forty-two million, five hundred twenty-eight thousand, six hundred five".
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