Base | Representation |
---|---|
bin | 111101111100111… |
… | …1001000011101001 |
3 | 12100212120122010102 |
4 | 1323321321003221 |
5 | 13224131222411 |
6 | 542135155145 |
7 | 102341166041 |
oct | 17371710351 |
9 | 5325518112 |
10 | 2078773481 |
11 | 977460314 |
12 | 4a0215ab5 |
13 | 2718983a5 |
14 | 15a122721 |
15 | c2772d3b |
hex | 7be790e9 |
2078773481 has 16 divisors (see below), whose sum is σ = 2254086144. Its totient is φ = 1909584384.
The previous prime is 2078773469. The next prime is 2078773493. The reversal of 2078773481 is 1843778702.
It is an interprime number because it is at equal distance from previous prime (2078773469) and next prime (2078773493).
It is a cyclic number.
It is not a de Polignac number, because 2078773481 - 214 = 2078757097 is a prime.
It is a super-2 number, since 2×20787734812 = 8642598370617714722, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (47).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2078773441) 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 15 ways as a sum of consecutive naturals, for example, 302621 + ... + 309413.
It is an arithmetic number, because the mean of its divisors is an integer number (140880384).
Almost surely, 22078773481 is an apocalyptic number.
It is an amenable number.
2078773481 is a deficient number, since it is larger than the sum of its proper divisors (175312663).
2078773481 is a wasteful number, since it uses less digits than its factorization.
2078773481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7240.
The product of its (nonzero) digits is 526848, while the sum is 47.
The square root of 2078773481 is about 45593.5684170476. The cubic root of 2078773481 is about 1276.2499045797.
The spelling of 2078773481 in words is "two billion, seventy-eight million, seven hundred seventy-three thousand, four hundred eighty-one".
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