Base | Representation |
---|---|
bin | 1100000101110010… |
… | …00110000000000000 |
3 | 121202100220112212022 |
4 | 12002321012000000 |
5 | 101243142102120 |
6 | 2552032021012 |
7 | 316565232041 |
oct | 60271060000 |
9 | 17670815768 |
10 | 6490972160 |
11 | 2830a91502 |
12 | 1311991768 |
13 | 7c5a0c93a |
14 | 4580d48c8 |
15 | 27ecbb025 |
hex | 182e46000 |
6490972160 has 112 divisors (see below), whose sum is σ = 16002128016. Its totient is φ = 2525626368.
The previous prime is 6490972133. The next prime is 6490972211. The reversal of 6490972160 is 612790946.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1513379 + ... + 1517661.
It is an arithmetic number, because the mean of its divisors is an integer number (142876143).
Almost surely, 26490972160 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 6490972160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8001064008).
6490972160 is an abundant number, since it is smaller than the sum of its proper divisors (9511155856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6490972160 is an equidigital number, since it uses as much as digits as its factorization.
6490972160 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4351 (or 4327 counting only the distinct ones).
The product of its (nonzero) digits is 163296, while the sum is 44.
The square root of 6490972160 is about 80566.5697420462. The cubic root of 6490972160 is about 1865.3911649236.
The spelling of 6490972160 in words is "six billion, four hundred ninety million, nine hundred seventy-two thousand, one hundred sixty".
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