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1129149230 = 251189115337
BaseRepresentation
bin100001101001101…
…0111001100101110
32220200200201112212
41003103113030232
54303030233410
6304013330422
736660416156
oct10323271456
92820621485
101129149230
1152a414590
12276196a12
1314cc18651
14a9d69766
15691e2b05
hex434d732e

1129149230 has 32 divisors (see below), whose sum is σ = 2242170720. Its totient is φ = 405982720.

The previous prime is 1129149221. The next prime is 1129149247. The reversal of 1129149230 is 329419211.

It is a super-3 number, since 3×11291492303 (a number of 28 digits) contains 333 as substring.

It is a congruent number.

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, 47879 + ... + 67458.

It is an arithmetic number, because the mean of its divisors is an integer number (70067835).

Almost surely, 21129149230 is an apocalyptic number.

1129149230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1129149230 is a deficient number, since it is larger than the sum of its proper divisors (1113021490).

1129149230 is a wasteful number, since it uses less digits than its factorization.

1129149230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115444.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 1129149230 is about 33602.8158046316. The cubic root of 1129149230 is about 1041.3189718573.

The spelling of 1129149230 in words is "one billion, one hundred twenty-nine million, one hundred forty-nine thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 55 89 110 178 445 890 979 1958 4895 9790 115337 230674 576685 1153370 1268707 2537414 6343535 10264993 12687070 20529986 51324965 102649930 112914923 225829846 564574615 1129149230