Search a number
-
+
1663480127 = 73145315683
BaseRepresentation
bin110001100100110…
…1011000100111111
311021221010112202002
41203021223010333
511401322331002
6433022052515
756136230201
oct14311530477
94257115662
101663480127
11783a9a271
123a511a13b
13206830a8a
1411acda771
159b08d002
hex6326b13f

1663480127 has 8 divisors (see below), whose sum is σ = 1687535664. Its totient is φ = 1639459008.

The previous prime is 1663480123. The next prime is 1663480157. The reversal of 1663480127 is 7210843661.

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 1663480127 - 22 = 1663480123 is a prime.

It is a super-2 number, since 2×16634801272 = 5534332265847872258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1663480121) 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 7 ways as a sum of consecutive naturals, for example, 98228 + ... + 113910.

It is an arithmetic number, because the mean of its divisors is an integer number (210941958).

Almost surely, 21663480127 is an apocalyptic number.

1663480127 is a deficient number, since it is larger than the sum of its proper divisors (24055537).

1663480127 is a wasteful number, since it uses less digits than its factorization.

1663480127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17209.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 1663480127 is about 40785.7833932364. The cubic root of 1663480127 is about 1184.8750073200.

The spelling of 1663480127 in words is "one billion, six hundred sixty-three million, four hundred eighty thousand, one hundred twenty-seven".

Divisors: 1 73 1453 15683 106069 1144859 22787399 1663480127