Base | Representation |
---|---|
bin | 111111001011111… |
… | …1110100000010001 |
3 | 12110202120001120122 |
4 | 1332113332200101 |
5 | 13320233331140 |
6 | 550215320025 |
7 | 103353345341 |
oct | 17627764021 |
9 | 5422501518 |
10 | 2120214545 |
11 | 998895629 |
12 | 4b2080015 |
13 | 27a347b27 |
14 | 16182cd21 |
15 | c620bab5 |
hex | 7e5fe811 |
2120214545 has 8 divisors (see below), whose sum is σ = 2603426496. Its totient is φ = 1656725616.
The previous prime is 2120214533. The next prime is 2120214557. The reversal of 2120214545 is 5454120212.
It is an interprime number because it is at equal distance from previous prime (2120214533) and next prime (2120214557).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2120214545 - 222 = 2116020241 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4930517 + ... + 4930946.
It is an arithmetic number, because the mean of its divisors is an integer number (325428312).
Almost surely, 22120214545 is an apocalyptic number.
It is an amenable number.
2120214545 is a deficient number, since it is larger than the sum of its proper divisors (483211951).
2120214545 is an equidigital number, since it uses as much as digits as its factorization.
2120214545 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9861511.
The product of its (nonzero) digits is 3200, while the sum is 26.
The square root of 2120214545 is about 46045.7874837645. The cubic root of 2120214545 is about 1284.6749913606.
Adding to 2120214545 its reverse (5454120212), we get a palindrome (7574334757).
The spelling of 2120214545 in words is "two billion, one hundred twenty million, two hundred fourteen thousand, five hundred forty-five".
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