Base | Representation |
---|---|
bin | 1011111001110111… |
… | …0100001000000000 |
3 | 22020200212112201000 |
4 | 2332131310020000 |
5 | 23021021033340 |
6 | 1245030212000 |
7 | 142121121546 |
oct | 27635641000 |
9 | 8220775630 |
10 | 3195486720 |
11 | 139a850518 |
12 | 7521b4000 |
13 | 3bc04b45a |
14 | 224571d96 |
15 | 13a80ad30 |
hex | be774200 |
3195486720 has 320 divisors, whose sum is σ = 11508013440. Its totient is φ = 840351744.
The previous prime is 3195486703. The next prime is 3195486731. The reversal of 3195486720 is 276845913.
3195486720 is a `hidden beast` number, since 31 + 9 + 548 + 6 + 72 + 0 = 666.
3195486720 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (320).
It is a super-2 number, since 2×31954867202 = 20422270755392716800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
3195486720 is strictly pandigital in base 10.
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, 5736682 + ... + 5737238.
It is an arithmetic number, because the mean of its divisors is an integer number (35962542).
It is a 1-persistent number, because it is pandigital, but 2⋅3195486720 = 6390973440 is not.
Almost surely, 23195486720 is an apocalyptic number.
3195486720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3195486720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5754006720).
3195486720 is an abundant number, since it is smaller than the sum of its proper divisors (8312526720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3195486720 is an equidigital number, since it uses as much as digits as its factorization.
3195486720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 672 (or 650 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 45.
The square root of 3195486720 is about 56528.6362828611. The cubic root of 3195486720 is about 1472.9194790915.
The spelling of 3195486720 in words is "three billion, one hundred ninety-five million, four hundred eighty-six thousand, seven hundred twenty".
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