Search a number
-
+
1128803097779 = 72913274190359
BaseRepresentation
bin10000011011010001111…
…010000101110010110011
310222220122020011201220222
4100123101322011302303
5121443242043112104
62222322011523255
7144360536006360
oct20332172056263
93886566151828
101128803097779
113a57a4a14735
12162929a5952b
13825a41c1bb6
143c8c498b467
151e5694a21be
hex106d1e85cb3

1128803097779 has 16 divisors (see below), whose sum is σ = 1335551539200. Its totient is φ = 933477670944.

The previous prime is 1128803097761. The next prime is 1128803097781. The reversal of 1128803097779 is 9777903088211.

It is not a de Polignac number, because 1128803097779 - 228 = 1128534662323 is a prime.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1128803097749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1825799 + ... + 2364560.

It is an arithmetic number, because the mean of its divisors is an integer number (83471971200).

Almost surely, 21128803097779 is an apocalyptic number.

1128803097779 is a deficient number, since it is larger than the sum of its proper divisors (206748441421).

1128803097779 is a wasteful number, since it uses less digits than its factorization.

1128803097779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4191722.

The product of its (nonzero) digits is 10668672, while the sum is 62.

The spelling of 1128803097779 in words is "one trillion, one hundred twenty-eight billion, eight hundred three million, ninety-seven thousand, seven hundred seventy-nine".

Divisors: 1 7 29 203 1327 9289 38483 269381 4190359 29332513 121520411 850642877 5560606393 38924244751 161257585397 1128803097779