Base | Representation |
---|---|
bin | 111100111100111… |
… | …1100000100110111 |
3 | 12021112110112001200 |
4 | 1321321330010313 |
5 | 13142034401130 |
6 | 534540223543 |
7 | 101453115543 |
oct | 17171740467 |
9 | 5245415050 |
10 | 2045231415 |
11 | 95a5306a7 |
12 | 490b3abb3 |
13 | 267953106 |
14 | 1558b0a23 |
15 | be849760 |
hex | 79e7c137 |
2045231415 has 24 divisors (see below), whose sum is σ = 3699203040. Its totient is φ = 1043363904.
The previous prime is 2045231411. The next prime is 2045231423. The reversal of 2045231415 is 5141325402.
It is not a de Polignac number, because 2045231415 - 22 = 2045231411 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2045231411) 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 23 ways as a sum of consecutive naturals, for example, 987000 + ... + 989069.
It is an arithmetic number, because the mean of its divisors is an integer number (154133460).
Almost surely, 22045231415 is an apocalyptic number.
2045231415 is a deficient number, since it is larger than the sum of its proper divisors (1653971625).
2045231415 is a wasteful number, since it uses less digits than its factorization.
2045231415 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1976103 (or 1976100 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 27.
The square root of 2045231415 is about 45224.2348193974. The cubic root of 2045231415 is about 1269.3483368060.
Adding to 2045231415 its reverse (5141325402), we get a palindrome (7186556817).
The spelling of 2045231415 in words is "two billion, forty-five million, two hundred thirty-one thousand, four hundred fifteen".
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