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1131033112 = 2311103124783
BaseRepresentation
bin100001101101010…
…0011001000011000
32220211020102202021
41003122203020120
54304021024422
6304121544224
740012423426
oct10332431030
92824212667
101131033112
11530490a10
12276945074
13150427c81
14aa2da116
1569465dc7
hex436a3218

1131033112 has 32 divisors (see below), whose sum is σ = 2335956480. Its totient is φ = 509110560.

The previous prime is 1131033107. The next prime is 1131033139. The reversal of 1131033112 is 2113301311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53328 + ... + 71455.

It is an arithmetic number, because the mean of its divisors is an integer number (72998640).

Almost surely, 21131033112 is an apocalyptic number.

It is an amenable number.

1131033112 is an abundant number, since it is smaller than the sum of its proper divisors (1204923368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1131033112 is a wasteful number, since it uses less digits than its factorization.

1131033112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124903 (or 124899 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1131033112 is about 33630.8357315128. The cubic root of 1131033112 is about 1041.8977651768.

Adding to 1131033112 its reverse (2113301311), we get a palindrome (3244334423).

The spelling of 1131033112 in words is "one billion, one hundred thirty-one million, thirty-three thousand, one hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 103 206 412 824 1133 2266 4532 9064 124783 249566 499132 998264 1372613 2745226 5490452 10980904 12852649 25705298 51410596 102821192 141379139 282758278 565516556 1131033112