Base | Representation |
---|---|
bin | 1111011001110111… |
… | …00111111010011111 |
3 | 210100100111120001111 |
4 | 13230323213322133 |
5 | 113414111122010 |
6 | 3444343122451 |
7 | 411640004140 |
oct | 75473477237 |
9 | 23310446044 |
10 | 8270020255 |
11 | 3564235692 |
12 | 1729743427 |
13 | a1a475213 |
14 | 5864b5ac7 |
15 | 33608658a |
hex | 1ecee7e9f |
8270020255 has 16 divisors (see below), whose sum is σ = 11378225664. Its totient is φ = 5652629280.
The previous prime is 8270020247. The next prime is 8270020273. The reversal of 8270020255 is 5520200728.
It is not a de Polignac number, because 8270020255 - 23 = 8270020247 is a prime.
It is a super-2 number, since 2×82700202552 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 368997 + ... + 390766.
It is an arithmetic number, because the mean of its divisors is an integer number (711139104).
Almost surely, 28270020255 is an apocalyptic number.
8270020255 is a deficient number, since it is larger than the sum of its proper divisors (3108205409).
8270020255 is a wasteful number, since it uses less digits than its factorization.
8270020255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 760086.
The product of its (nonzero) digits is 11200, while the sum is 31.
The square root of 8270020255 is about 90939.6517202480. The cubic root of 8270020255 is about 2022.2531678563.
The spelling of 8270020255 in words is "eight billion, two hundred seventy million, twenty thousand, two hundred fifty-five".
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