Base | Representation |
---|---|
bin | 1111111111110000… |
… | …1010100011111100 |
3 | 102002020211212110220 |
4 | 3333330022203330 |
5 | 32243223240410 |
6 | 1550030301340 |
7 | 211260034410 |
oct | 37774124374 |
9 | 12066755426 |
10 | 4293961980 |
11 | 1903914210 |
12 | 9ba057850 |
13 | 5357b7109 |
14 | 2ca3d4d40 |
15 | 1a1e90070 |
hex | fff0a8fc |
4293961980 has 192 divisors, whose sum is σ = 15356113920. Its totient is φ = 870451200.
The previous prime is 4293961957. The next prime is 4293962011. The reversal of 4293961980 is 891693924.
It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 178086 + ... + 200754.
It is an arithmetic number, because the mean of its divisors is an integer number (79979760).
Almost surely, 24293961980 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 4293961980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7678056960).
4293961980 is an abundant number, since it is smaller than the sum of its proper divisors (11062151940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4293961980 is a wasteful number, since it uses less digits than its factorization.
4293961980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22740 (or 22738 counting only the distinct ones).
The product of its (nonzero) digits is 839808, while the sum is 51.
The square root of 4293961980 is about 65528.3295987316. The cubic root of 4293961980 is about 1625.3718413762.
The spelling of 4293961980 in words is "four billion, two hundred ninety-three million, nine hundred sixty-one thousand, nine hundred eighty".
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