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1634000005 = 51129709091
BaseRepresentation
bin110000101100100…
…1101110010000101
311012212122210121201
41201121031302011
511321301000010
6430050142501
755330525261
oct14131156205
94185583551
101634000005
11769394430
12397281a31
132006ab611
141170250a1
15986b823a
hex6164dc85

1634000005 has 8 divisors (see below), whose sum is σ = 2139054624. Its totient is φ = 1188363600.

The previous prime is 1633999963. The next prime is 1634000021. The reversal of 1634000005 is 5000004361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1634000005 - 27 = 1633999877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14854491 + ... + 14854600.

It is an arithmetic number, because the mean of its divisors is an integer number (267381828).

Almost surely, 21634000005 is an apocalyptic number.

It is an amenable number.

1634000005 is a deficient number, since it is larger than the sum of its proper divisors (505054619).

1634000005 is a wasteful number, since it uses less digits than its factorization.

1634000005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29709107.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1634000005 is about 40422.7659246618. The cubic root of 1634000005 is about 1177.8338131261.

Adding to 1634000005 its reverse (5000004361), we get a palindrome (6634004366).

The spelling of 1634000005 in words is "one billion, six hundred thirty-four million, five", and thus it is an aban number.

Divisors: 1 5 11 55 29709091 148545455 326800001 1634000005