Base | Representation |
---|---|
bin | 1011111101011001… |
… | …11000011101001000 |
3 | 121120110121102120120 |
4 | 11332230320131020 |
5 | 101122142141323 |
6 | 2541041023240 |
7 | 315052504311 |
oct | 57654703510 |
9 | 17513542516 |
10 | 6420662088 |
11 | 27a5329505 |
12 | 12b2324b20 |
13 | 7b4292c49 |
14 | 44ca31608 |
15 | 278a2d5e3 |
hex | 17eb38748 |
6420662088 has 32 divisors (see below), whose sum is σ = 16055184960. Its totient is φ = 2139750080.
The previous prime is 6420662081. The next prime is 6420662093. The reversal of 6420662088 is 8802660246.
It is not an unprimeable number, because it can be changed into a prime (6420662081) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92278 + ... + 146138.
It is an arithmetic number, because the mean of its divisors is an integer number (501724530).
Almost surely, 26420662088 is an apocalyptic number.
It is an amenable number.
6420662088 is an abundant number, since it is smaller than the sum of its proper divisors (9634522872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6420662088 is a wasteful number, since it uses less digits than its factorization.
6420662088 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58837 (or 58833 counting only the distinct ones).
The product of its (nonzero) digits is 221184, while the sum is 42.
The square root of 6420662088 is about 80129.0339889356. The cubic root of 6420662088 is about 1858.6314062272.
The spelling of 6420662088 in words is "six billion, four hundred twenty million, six hundred sixty-two thousand, eighty-eight".
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