Base | Representation |
---|---|
bin | 1011101101110100… |
… | …1111111001000100 |
3 | 22010011212220002011 |
4 | 2323131033321010 |
5 | 22420110203120 |
6 | 1240024224004 |
7 | 140636054425 |
oct | 27335177104 |
9 | 8104786064 |
10 | 3145006660 |
11 | 1374302064 |
12 | 73930b004 |
13 | 3b17556b3 |
14 | 21b99164c |
15 | 136188c5a |
hex | bb74fe44 |
3145006660 has 96 divisors (see below), whose sum is σ = 7115351040. Its totient is φ = 1164607488.
The previous prime is 3145006649. The next prime is 3145006663. The reversal of 3145006660 is 666005413.
It is not an unprimeable number, because it can be changed into a prime (3145006663) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4373781 + ... + 4374499.
It is an arithmetic number, because the mean of its divisors is an integer number (74118240).
Almost surely, 23145006660 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 3145006660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3557675520).
3145006660 is an abundant number, since it is smaller than the sum of its proper divisors (3970344380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3145006660 is a wasteful number, since it uses less digits than its factorization.
3145006660 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1045 (or 1043 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 31.
The square root of 3145006660 is about 56080.3589503491. The cubic root of 3145006660 is about 1465.1222253555.
The spelling of 3145006660 in words is "three billion, one hundred forty-five million, six thousand, six hundred sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •