Base | Representation |
---|---|
bin | 1011111111111110… |
… | …10100000101101000 |
3 | 121121222021021112121 |
4 | 11333333110011220 |
5 | 101143210133310 |
6 | 2543132121024 |
7 | 315434254300 |
oct | 57777240550 |
9 | 17558237477 |
10 | 6442271080 |
11 | 2806548683 |
12 | 12b9606174 |
13 | 7b88ba82b |
14 | 451858600 |
15 | 27a89b0da |
hex | 17ffd4168 |
6442271080 has 48 divisors (see below), whose sum is σ = 16861663620. Its totient is φ = 2208777984.
The previous prime is 6442271041. The next prime is 6442271189. The reversal of 6442271080 is 801722446.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 5717476996 + 724794084 = 75614^2 + 26922^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1641477 + ... + 1645396.
Almost surely, 26442271080 is an apocalyptic number.
It is an amenable number.
6442271080 is an abundant number, since it is smaller than the sum of its proper divisors (10419392540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6442271080 is a wasteful number, since it uses less digits than its factorization.
6442271080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3286898 (or 3286887 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 34.
The square root of 6442271080 is about 80263.7594434749. The cubic root of 6442271080 is about 1860.7141705799.
The spelling of 6442271080 in words is "six billion, four hundred forty-two million, two hundred seventy-one thousand, eighty".
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