Base | Representation |
---|---|
bin | 101010010010000011… |
… | …110010111011010001 |
3 | 11100012000101011001000 |
4 | 222102003302323101 |
5 | 1220434414012041 |
6 | 32505002332213 |
7 | 3165025556430 |
oct | 522203627321 |
9 | 140160334030 |
10 | 45400141521 |
11 | 18288218319 |
12 | 89704ba069 |
13 | 4386aa1c87 |
14 | 22a986d117 |
15 | 12aab2dbb6 |
hex | a920f2ed1 |
45400141521 has 32 divisors (see below), whose sum is σ = 76879155200. Its totient is φ = 25939161360.
The previous prime is 45400141517. The next prime is 45400141541. The reversal of 45400141521 is 12514100454.
It is not a de Polignac number, because 45400141521 - 22 = 45400141517 is a prime.
It is a super-2 number, since 2×454001415212 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (45400141511) 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 31 ways as a sum of consecutive naturals, for example, 1762110 + ... + 1787688.
It is an arithmetic number, because the mean of its divisors is an integer number (2402473600).
Almost surely, 245400141521 is an apocalyptic number.
It is an amenable number.
45400141521 is a deficient number, since it is larger than the sum of its proper divisors (31479013679).
45400141521 is a wasteful number, since it uses less digits than its factorization.
45400141521 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34986 (or 34980 counting only the distinct ones).
The product of its (nonzero) digits is 3200, while the sum is 27.
Adding to 45400141521 its reverse (12514100454), we get a palindrome (57914241975).
The spelling of 45400141521 in words is "forty-five billion, four hundred million, one hundred forty-one thousand, five hundred twenty-one".
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