Base | Representation |
---|---|
bin | 1110110111000101… |
… | …01111011111111101 |
3 | 202121000112212121000 |
4 | 13123202233133331 |
5 | 112314420110203 |
6 | 3355402200513 |
7 | 401465206164 |
oct | 73342573775 |
9 | 22530485530 |
10 | 7978285053 |
11 | 3424596712 |
12 | 1667ab3139 |
13 | 9a1bac23b |
14 | 5598543db |
15 | 31a65b4a3 |
hex | 1db8af7fd |
7978285053 has 16 divisors (see below), whose sum is σ = 11821170240. Its totient is φ = 5318186832.
The previous prime is 7978285043. The next prime is 7978285061. The reversal of 7978285053 is 3505828797.
7978285053 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 7978285053 - 24 = 7978285037 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7978285043) 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, 297175 + ... + 322907.
It is an arithmetic number, because the mean of its divisors is an integer number (738823140).
Almost surely, 27978285053 is an apocalyptic number.
It is an amenable number.
7978285053 is a deficient number, since it is larger than the sum of its proper divisors (3842885187).
7978285053 is a wasteful number, since it uses less digits than its factorization.
7978285053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37225 (or 37219 counting only the distinct ones).
The product of its (nonzero) digits is 4233600, while the sum is 54.
The square root of 7978285053 is about 89321.2463694949. The cubic root of 7978285053 is about 1998.1887813219.
The spelling of 7978285053 in words is "seven billion, nine hundred seventy-eight million, two hundred eighty-five thousand, fifty-three".
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