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2561346041 = 4389669283
BaseRepresentation
bin1001100010101011…
…0000100111111001
320121111121212020012
42120222300213321
520221201033131
61102054311305
7120321040112
oct23052604771
96544555205
102561346041
1110a48a4211
125b5958535
1331a85ac97
141a425d209
15eece752b
hex98ab09f9

2561346041 has 8 divisors (see below), whose sum is σ = 2650364640. Its totient is φ = 2473666272.

The previous prime is 2561346017. The next prime is 2561346043. The reversal of 2561346041 is 1406431652.

2561346041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2561346041 - 218 = 2561083897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2561345989 and 2561346007.

It is not an unprimeable number, because it can be changed into a prime (2561346043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330815 + ... + 338468.

It is an arithmetic number, because the mean of its divisors is an integer number (331295580).

Almost surely, 22561346041 is an apocalyptic number.

It is an amenable number.

2561346041 is a deficient number, since it is larger than the sum of its proper divisors (89018599).

2561346041 is an equidigital number, since it uses as much as digits as its factorization.

2561346041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669415.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 2561346041 is about 50609.7425502245. The cubic root of 2561346041 is about 1368.2204755124.

Adding to 2561346041 its reverse (1406431652), we get a palindrome (3967777693).

The spelling of 2561346041 in words is "two billion, five hundred sixty-one million, three hundred forty-six thousand, forty-one".

Divisors: 1 43 89 3827 669283 28779169 59566187 2561346041