Search a number
-
+
1128529801 = 7769209647
BaseRepresentation
bin100001101000011…
…1111111110001001
32220122112020212001
41003100333332021
54302400423201
6303552151001
736652226230
oct10320777611
92818466761
101128529801
1152a031163
12275b38461
1314ca5c719
14a9c47b17
156911e301
hex4343ff89

1128529801 has 8 divisors (see below), whose sum is σ = 1291431680. Its totient is φ = 966048768.

The previous prime is 1128529781. The next prime is 1128529811. The reversal of 1128529801 is 1089258211.

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 1128529801 - 225 = 1094975369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1128529811) 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, 99441 + ... + 110206.

It is an arithmetic number, because the mean of its divisors is an integer number (161428960).

Almost surely, 21128529801 is an apocalyptic number.

It is an amenable number.

1128529801 is a deficient number, since it is larger than the sum of its proper divisors (162901879).

1128529801 is an equidigital number, since it uses as much as digits as its factorization.

1128529801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210423.

The product of its (nonzero) digits is 11520, while the sum is 37.

The square root of 1128529801 is about 33593.5976191893. The cubic root of 1128529801 is about 1041.1285213431.

The spelling of 1128529801 in words is "one billion, one hundred twenty-eight million, five hundred twenty-nine thousand, eight hundred one".

Divisors: 1 7 769 5383 209647 1467529 161218543 1128529801