Base | Representation |
---|---|
bin | 101010000000111010… |
… | …110110101100010101 |
3 | 11022102222021202121210 |
4 | 222000322312230111 |
5 | 1214342310204411 |
6 | 32420251132033 |
7 | 3154634434242 |
oct | 520072665425 |
9 | 138388252553 |
10 | 45112584981 |
11 | 1814a972892 |
12 | 88b0144019 |
13 | 433c33cc89 |
14 | 227d5b85c9 |
15 | 129077bca6 |
hex | a80eb6b15 |
45112584981 has 12 divisors (see below), whose sum is σ = 60484402176. Its totient is φ = 29908830960.
The previous prime is 45112584889. The next prime is 45112584983. The reversal of 45112584981 is 18948521154.
It is not a de Polignac number, because 45112584981 - 214 = 45112568597 is a prime.
It is a super-2 number, since 2×451125849812 (a number of 22 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 45112584981.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (45112584983) 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 11 ways as a sum of consecutive naturals, for example, 131221 + ... + 327786.
It is an arithmetic number, because the mean of its divisors is an integer number (5040366848).
Almost surely, 245112584981 is an apocalyptic number.
It is an amenable number.
45112584981 is a deficient number, since it is larger than the sum of its proper divisors (15371817195).
45112584981 is an equidigital number, since it uses as much as digits as its factorization.
45112584981 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 459372 (or 459191 counting only the distinct ones).
The product of its digits is 460800, while the sum is 48.
The spelling of 45112584981 in words is "forty-five billion, one hundred twelve million, five hundred eighty-four thousand, nine hundred eighty-one".
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