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1128202255 = 55319721611
BaseRepresentation
bin100001100111111…
…0000000000001111
32220121220121112201
41003033300000033
54302304433010
6303541142331
736646363255
oct10317600017
92817817481
101128202255
11529928064
122759ba9a7
1314c9765cb
14a9ba05d5
15690a723a
hex433f000f

1128202255 has 16 divisors (see below), whose sum is σ = 1386453024. Its totient is φ = 880996480.

The previous prime is 1128202253. The next prime is 1128202267. The reversal of 1128202255 is 5522028211.

It is not a de Polignac number, because 1128202255 - 21 = 1128202253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128202253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41400 + ... + 63010.

It is an arithmetic number, because the mean of its divisors is an integer number (86653314).

Almost surely, 21128202255 is an apocalyptic number.

1128202255 is a deficient number, since it is larger than the sum of its proper divisors (258250769).

1128202255 is a wasteful number, since it uses less digits than its factorization.

1128202255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21866.

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 1128202255 is about 33588.7221400279. The cubic root of 1128202255 is about 1041.0277854181.

The spelling of 1128202255 in words is "one billion, one hundred twenty-eight million, two hundred two thousand, two hundred fifty-five".

Divisors: 1 5 53 197 265 985 10441 21611 52205 108055 1145383 4257367 5726915 21286835 225640451 1128202255