| Base | Representation |
|---|---|
| bin | 1000000011000111… |
| … | …0111111010101100 |
| 3 | 12120120110201001001 |
| 4 | 2000301313322230 |
| 5 | 13411100321430 |
| 6 | 554220130044 |
| 7 | 104353303105 |
| oct | 20061677254 |
| 9 | 5516421031 |
| 10 | 2160557740 |
| 11 | a09640010 |
| 12 | 503696924 |
| 13 | 285801943 |
| 14 | 166d313ac |
| 15 | c9a2a3ca |
| hex | 80c77eac |
2160557740 has 96 divisors (see below), whose sum is σ = 5028319296. Its totient is φ = 773283840.
The previous prime is 2160557731. The next prime is 2160557743. The reversal of 2160557740 is 477550612.
2160557740 = 12 + 22 + ... + 18642.
2160557740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 2160557740.
It is not an unprimeable number, because it can be changed into a prime (2160557743) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5792194 + ... + 5792566.
It is an arithmetic number, because the mean of its divisors is an integer number (52378326).
Almost surely, 22160557740 is an apocalyptic number.
2160557740 is a gapful number since it is divisible by the number (20) 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 2160557740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2514159648).
2160557740 is an abundant number, since it is smaller than the sum of its proper divisors (2867761556).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2160557740 is a wasteful number, since it uses less digits than its factorization.
2160557740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 739 (or 737 counting only the distinct ones).
The product of its (nonzero) digits is 58800, while the sum is 37.
The square root of 2160557740 is about 46481.8000942304. The cubic root of 2160557740 is about 1292.7720650372.
The spelling of 2160557740 in words is "two billion, one hundred sixty million, five hundred fifty-seven thousand, seven hundred forty".
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