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6434630025 = 35285795067
BaseRepresentation
bin1011111111000100…
…01010100110001001
3121121102220001222120
411333202022212021
5101134231130100
62542300241453
7315312311205
oct57742124611
917542801876
106434630025
1128021a985a
1212b6b40289
137b71438b5
14450829b05
15279d8c0a0
hex17f88a989

6434630025 has 12 divisors (see below), whose sum is σ = 10638588432. Its totient is φ = 3431802640.

The previous prime is 6434630021. The next prime is 6434630039. The reversal of 6434630025 is 5200364346.

It is not a de Polignac number, because 6434630025 - 22 = 6434630021 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6434630021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42897459 + ... + 42897608.

It is an arithmetic number, because the mean of its divisors is an integer number (886549036).

Almost surely, 26434630025 is an apocalyptic number.

It is an amenable number.

6434630025 is a deficient number, since it is larger than the sum of its proper divisors (4203958407).

6434630025 is a wasteful number, since it uses less digits than its factorization.

6434630025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85795080 (or 85795075 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 33.

The square root of 6434630025 is about 80216.1456628278. The cubic root of 6434630025 is about 1859.9782269968.

The spelling of 6434630025 in words is "six billion, four hundred thirty-four million, six hundred thirty thousand, twenty-five".

Divisors: 1 3 5 15 25 75 85795067 257385201 428975335 1286926005 2144876675 6434630025