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1128901130 = 25719981041
BaseRepresentation
bin100001101001001…
…1010101000001010
32220200020010012222
41003102122220022
54302444314010
6304004134042
736655333640
oct10322325012
92820203188
101128901130
1152a265145
12276097322
1314cb5c746
14a9d03190
1569194355
hex4349aa0a

1128901130 has 32 divisors (see below), whose sum is σ = 2334009600. Its totient is φ = 385102080.

The previous prime is 1128901097. The next prime is 1128901141. The reversal of 1128901130 is 311098211.

It is a super-2 number, since 2×11289011302 = 2548835522630553800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1128901130.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26591 + ... + 54450.

It is an arithmetic number, because the mean of its divisors is an integer number (72937800).

Almost surely, 21128901130 is an apocalyptic number.

1128901130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1128901130 is an abundant number, since it is smaller than the sum of its proper divisors (1205108470).

1128901130 is a wasteful number, since it uses less digits than its factorization.

1128901130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81254.

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 1128901130 is about 33599.1239469127. The cubic root of 1128901130 is about 1041.2426990453.

Adding to 1128901130 its reverse (311098211), we get a palindrome (1439999341).

The spelling of 1128901130 in words is "one billion, one hundred twenty-eight million, nine hundred one thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 199 398 995 1393 1990 2786 6965 13930 81041 162082 405205 567287 810410 1134574 2836435 5672870 16127159 32254318 80635795 112890113 161271590 225780226 564450565 1128901130