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6425885041 = 43149439187
BaseRepresentation
bin1011111110000001…
…10011100101110001
3121120211102210010021
411333000303211301
5101130011310131
62541345003441
7315145056502
oct57700634561
917524383107
106425885041
1127a82765a4
1212b4023581
137b53a1354
1444d5d0ba9
15279210e11
hex17f033971

6425885041 has 4 divisors (see below), whose sum is σ = 6575324272. Its totient is φ = 6276445812.

The previous prime is 6425885017. The next prime is 6425885069. The reversal of 6425885041 is 1405885246.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6425885041 - 25 = 6425885009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 149439187 = 6425885041 / (6 + 4 + 2 + 5 + 8 + 8 + 5 + 0 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6425885341) 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, 74719551 + ... + 74719636.

It is an arithmetic number, because the mean of its divisors is an integer number (1643831068).

Almost surely, 26425885041 is an apocalyptic number.

It is an amenable number.

6425885041 is a deficient number, since it is larger than the sum of its proper divisors (149439231).

6425885041 is a wasteful number, since it uses less digits than its factorization.

6425885041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149439230.

The product of its (nonzero) digits is 307200, while the sum is 43.

The square root of 6425885041 is about 80161.6182533761. The cubic root of 6425885041 is about 1859.1352438533.

The spelling of 6425885041 in words is "six billion, four hundred twenty-five million, eight hundred eighty-five thousand, forty-one".

Divisors: 1 43 149439187 6425885041