Base | Representation |
---|---|
bin | 10001111010110110… |
… | …111100110100111101 |
3 | 1211122221111212120012 |
4 | 101322312330310331 |
5 | 303401210010321 |
6 | 12501135233005 |
7 | 1250545414211 |
oct | 217266746475 |
9 | 54587455505 |
10 | 19241094461 |
11 | 8184107066 |
12 | 388b978765 |
13 | 1a783b27c4 |
14 | d075b6941 |
15 | 77931005b |
hex | 47adbcd3d |
19241094461 has 4 divisors (see below), whose sum is σ = 19241799612. Its totient is φ = 19240389312.
The previous prime is 19241094449. The next prime is 19241094469. The reversal of 19241094461 is 16449014291.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16449014291 = 3331 ⋅4938161.
It can be written as a sum of positive squares in 2 ways, for example, as 3966606361 + 15274488100 = 62981^2 + 123590^2 .
It is a cyclic number.
It is not a de Polignac number, because 19241094461 - 222 = 19236900157 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19241094469) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309926 + ... + 366791.
It is an arithmetic number, because the mean of its divisors is an integer number (4810449903).
Almost surely, 219241094461 is an apocalyptic number.
It is an amenable number.
19241094461 is a deficient number, since it is larger than the sum of its proper divisors (705151).
19241094461 is an equidigital number, since it uses as much as digits as its factorization.
19241094461 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 705150.
The product of its (nonzero) digits is 62208, while the sum is 41.
The spelling of 19241094461 in words is "nineteen billion, two hundred forty-one million, ninety-four thousand, four hundred sixty-one".
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