Base | Representation |
---|---|
bin | 1110010001100010010… |
… | …0010011000111001000 |
3 | 212102222011200012020221 |
4 | 3210120210103013020 |
5 | 13004210134221040 |
6 | 304353245155424 |
7 | 23500624460530 |
oct | 3443044230710 |
9 | 772864605227 |
10 | 245225304520 |
11 | 94aaa322929 |
12 | 3b63955bb74 |
13 | 1a180b072b1 |
14 | bc2463c4c0 |
15 | 65a3a6974a |
hex | 39189131c8 |
245225304520 has 64 divisors (see below), whose sum is σ = 631090010880. Its totient is φ = 84009159936.
The previous prime is 245225304509. The next prime is 245225304529. The reversal of 245225304520 is 25403522542.
It is not an unprimeable number, because it can be changed into a prime (245225304529) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7644 + ... + 700363.
It is an arithmetic number, because the mean of its divisors is an integer number (9860781420).
Almost surely, 2245225304520 is an apocalyptic number.
245225304520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
245225304520 is an abundant number, since it is smaller than the sum of its proper divisors (385864706360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245225304520 is a wasteful number, since it uses less digits than its factorization.
245225304520 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 709262 (or 709258 counting only the distinct ones).
The product of its (nonzero) digits is 96000, while the sum is 34.
The spelling of 245225304520 in words is "two hundred forty-five billion, two hundred twenty-five million, three hundred four thousand, five hundred twenty".
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