Base | Representation |
---|---|
bin | 111100100000001… |
… | …0001101011100011 |
3 | 12020111000120000000 |
4 | 1321000101223203 |
5 | 13124202144210 |
6 | 533240231043 |
7 | 101210461146 |
oct | 17100215343 |
9 | 5214016000 |
10 | 2030115555 |
11 | 951a46956 |
12 | 487a6b483 |
13 | 26478cb10 |
14 | 15389805d |
15 | bd360ac0 |
hex | 79011ae3 |
2030115555 has 64 divisors (see below), whose sum is σ = 3934976640. Its totient is φ = 999371520.
The previous prime is 2030115547. The next prime is 2030115559. The reversal of 2030115555 is 5555110302.
It is not a de Polignac number, because 2030115555 - 23 = 2030115547 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (2030115559) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 135015 + ... + 149295.
It is an arithmetic number, because the mean of its divisors is an integer number (61484010).
Almost surely, 22030115555 is an apocalyptic number.
2030115555 is a deficient number, since it is larger than the sum of its proper divisors (1904861085).
2030115555 is an equidigital number, since it uses as much as digits as its factorization.
2030115555 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14320 (or 14302 counting only the distinct ones).
The product of its (nonzero) digits is 3750, while the sum is 27.
The square root of 2030115555 is about 45056.8036482838. The cubic root of 2030115555 is about 1266.2134419219.
Adding to 2030115555 its reverse (5555110302), we get a palindrome (7585225857).
The spelling of 2030115555 in words is "two billion, thirty million, one hundred fifteen thousand, five hundred fifty-five".
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