| Base | Representation |
|---|---|
| bin | 111011111010000… |
| … | …1001000110000000 |
| 3 | 12012002110120121120 |
| 4 | 1313310021012000 |
| 5 | 13104100014230 |
| 6 | 531244352240 |
| 7 | 100546025214 |
| oct | 16764110600 |
| 9 | 5162416546 |
| 10 | 2010157440 |
| 11 | 941755045 |
| 12 | 481245680 |
| 13 | 2605c2795 |
| 14 | 150d80944 |
| 15 | bb71c310 |
| hex | 77d09180 |
2010157440 has 128 divisors (see below), whose sum is σ = 6744729600. Its totient is φ = 507820032.
The previous prime is 2010157363. The next prime is 2010157463. The reversal of 2010157440 is 447510102.
It is a tau number, because it is divible by the number of its divisors (128).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a self number, because there is not a number n which added to its sum of digits gives 2010157440.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8929 + ... + 64031.
It is an arithmetic number, because the mean of its divisors is an integer number (52693200).
Almost surely, 22010157440 is an apocalyptic number.
2010157440 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 2010157440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3372364800).
2010157440 is an abundant number, since it is smaller than the sum of its proper divisors (4734572160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2010157440 is a wasteful number, since it uses less digits than its factorization.
2010157440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55144 (or 55132 counting only the distinct ones).
The product of its (nonzero) digits is 1120, while the sum is 24.
The square root of 2010157440 is about 44834.7793571018. The cubic root of 2010157440 is about 1262.0503779441.
Adding to 2010157440 its reverse (447510102), we get a palindrome (2457667542).
The spelling of 2010157440 in words is "two billion, ten million, one hundred fifty-seven thousand, four hundred forty".
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