Base | Representation |
---|---|
bin | 1110110111101000… |
… | …11000110101111101 |
3 | 202121100020212222122 |
4 | 13123310120311331 |
5 | 112322111121340 |
6 | 3400045252325 |
7 | 401552423360 |
oct | 73364306575 |
9 | 22540225878 |
10 | 7982910845 |
11 | 3427166088 |
12 | 16695640a5 |
13 | 9a2b3b8b0 |
14 | 55a2da0d7 |
15 | 31ac71db5 |
hex | 1dbd18d7d |
7982910845 has 32 divisors (see below), whose sum is σ = 11799513600. Its totient is φ = 5048904960.
The previous prime is 7982910833. The next prime is 7982910853. The reversal of 7982910845 is 5480192897.
It is not a de Polignac number, because 7982910845 - 24 = 7982910829 is a prime.
It is a super-2 number, since 2×79829108452 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 630275 + ... + 642815.
It is an arithmetic number, because the mean of its divisors is an integer number (368734800).
Almost surely, 27982910845 is an apocalyptic number.
It is an amenable number.
7982910845 is a deficient number, since it is larger than the sum of its proper divisors (3816602755).
7982910845 is a wasteful number, since it uses less digits than its factorization.
7982910845 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13965.
The product of its (nonzero) digits is 1451520, while the sum is 53.
The square root of 7982910845 is about 89347.1367476317. The cubic root of 7982910845 is about 1998.5748885198.
The spelling of 7982910845 in words is "seven billion, nine hundred eighty-two million, nine hundred ten thousand, eight hundred forty-five".
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