Base | Representation |
---|---|
bin | 100010110010010001011… |
… | …0000101010000001101101 |
3 | 121221001021212112021120212 |
4 | 1011210202300222001231 |
5 | 1111312221213441340 |
6 | 14100150132352205 |
7 | 1002256464425642 |
oct | 105444260520155 |
9 | 17831255467525 |
10 | 4780881780845 |
11 | 1583619145345 |
12 | 652697775665 |
13 | 288ab1c851a1 |
14 | 127578555dc9 |
15 | 84565b5ea65 |
hex | 45922c2a06d |
4780881780845 has 32 divisors (see below), whose sum is σ = 5798089836000. Its totient is φ = 3784230820864.
The previous prime is 4780881780839. The next prime is 4780881780937. The reversal of 4780881780845 is 5480871880874.
It can be written as a sum of positive squares in 16 ways, for example, as 1806212354116 + 2974669426729 = 1343954^2 + 1724723^2 .
It is a cyclic number.
It is not a de Polignac number, because 4780881780845 - 218 = 4780881518701 is a prime.
It is a congruent number.
It is an unprimeable number.
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, 608792939 + ... + 608800791.
It is an arithmetic number, because the mean of its divisors is an integer number (181190307375).
Almost surely, 24780881780845 is an apocalyptic number.
It is an amenable number.
4780881780845 is a deficient number, since it is larger than the sum of its proper divisors (1017208055155).
4780881780845 is a wasteful number, since it uses less digits than its factorization.
4780881780845 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11089.
The product of its (nonzero) digits is 128450560, while the sum is 68.
The spelling of 4780881780845 in words is "four trillion, seven hundred eighty billion, eight hundred eighty-one million, seven hundred eighty thousand, eight hundred forty-five".
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