Base | Representation |
---|---|
bin | 1110100011011000… |
… | …10010110101111011 |
3 | 202011111120101101100 |
4 | 13101230102311323 |
5 | 112000113020310 |
6 | 3331140022443 |
7 | 364420356042 |
oct | 72154226573 |
9 | 22144511340 |
10 | 7813016955 |
11 | 334a276307 |
12 | 1620691a23 |
13 | 976895973 |
14 | 541913559 |
15 | 30adb2ec0 |
hex | 1d1b12d7b |
7813016955 has 24 divisors (see below), whose sum is σ = 13979422080. Its totient is φ = 4032524160.
The previous prime is 7813016921. The next prime is 7813017001. The reversal of 7813016955 is 5596103187.
It is a happy number.
It is not a de Polignac number, because 7813016955 - 26 = 7813016891 is a prime.
It is a super-2 number, since 2×78130169552 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 7813016955.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 2798970 + ... + 2801759.
It is an arithmetic number, because the mean of its divisors is an integer number (582475920).
Almost surely, 27813016955 is an apocalyptic number.
7813016955 is a deficient number, since it is larger than the sum of its proper divisors (6166405125).
7813016955 is a wasteful number, since it uses less digits than its factorization.
7813016955 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5600771 (or 5600768 counting only the distinct ones).
The product of its (nonzero) digits is 226800, while the sum is 45.
The square root of 7813016955 is about 88391.2719390325. The cubic root of 7813016955 is about 1984.2950801235.
The spelling of 7813016955 in words is "seven billion, eight hundred thirteen million, sixteen thousand, nine hundred fifty-five".
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