Base | Representation |
---|---|
bin | 111110111010110… |
… | …1111101101010010 |
3 | 12110010200011020200 |
4 | 1331311233231102 |
5 | 13310434203132 |
6 | 545255120030 |
7 | 103214152461 |
oct | 17565575522 |
9 | 5403604220 |
10 | 2111241042 |
11 | 993816709 |
12 | 4ab073016 |
13 | 278525571 |
14 | 1605749d8 |
15 | c5537d7c |
hex | 7dd6fb52 |
2111241042 has 24 divisors (see below), whose sum is σ = 4575988560. Its totient is φ = 703495800.
The previous prime is 2111241029. The next prime is 2111241043. The reversal of 2111241042 is 2401421112.
2111241042 is a `hidden beast` number, since 211 + 1 + 2 + 410 + 42 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (2111241043) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34917 + ... + 73767.
It is an arithmetic number, because the mean of its divisors is an integer number (190666190).
Almost surely, 22111241042 is an apocalyptic number.
2111241042 is an abundant number, since it is smaller than the sum of its proper divisors (2464747518).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2111241042 is a wasteful number, since it uses less digits than its factorization.
2111241042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41878 (or 41875 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
The square root of 2111241042 is about 45948.2430784900. The cubic root of 2111241042 is about 1282.8600277369.
Adding to 2111241042 its reverse (2401421112), we get a palindrome (4512662154).
The spelling of 2111241042 in words is "two billion, one hundred eleven million, two hundred forty-one thousand, forty-two".
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