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47404448405 = 5173161294923
BaseRepresentation
bin101100001001100001…
…100111101010010101
311112100200211111012022
4230021201213222111
51234041014322110
633435521502525
73265504106636
oct541141475225
9145320744168
1047404448405
1119116636796
12922b7a1a45
1346160c6792
142419b2988d
151376a92755
hexb09867a95

47404448405 has 32 divisors (see below), whose sum is σ = 63193955328. Its totient is φ = 33975014400.

The previous prime is 47404448381. The next prime is 47404448417. The reversal of 47404448405 is 50484440474.

It is not a de Polignac number, because 47404448405 - 218 = 47404186261 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 13274 + ... + 308196.

It is an arithmetic number, because the mean of its divisors is an integer number (1974811104).

Almost surely, 247404448405 is an apocalyptic number.

It is an amenable number.

47404448405 is a deficient number, since it is larger than the sum of its proper divisors (15789506923).

47404448405 is a wasteful number, since it uses less digits than its factorization.

47404448405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295037.

The product of its (nonzero) digits is 1146880, while the sum is 44.

Adding to 47404448405 its reverse (50484440474), we get a palindrome (97888888879).

The spelling of 47404448405 in words is "forty-seven billion, four hundred four million, four hundred forty-eight thousand, four hundred five".

Divisors: 1 5 17 31 61 85 155 305 527 1037 1891 2635 5185 9455 32147 160735 294923 1474615 5013691 9142613 17990303 25068455 45713065 89951515 155424421 305835151 557699393 777122105 1529175755 2788496965 9480889681 47404448405