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1131012392 = 231971104801
BaseRepresentation
bin100001101101001…
…1110000100101000
32220211012101022212
41003122132010220
54304014344032
6304121304252
740012306136
oct10332360450
92824171285
101131012392
11530477394
12276935088
1315041b703
14aa2d2756
156945ebb2
hex4369e128

1131012392 has 32 divisors (see below), whose sum is σ = 2263723200. Its totient is φ = 528192000.

The previous prime is 1131012361. The next prime is 1131012413. The reversal of 1131012392 is 2932101311.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 41609 + ... + 63192.

It is an arithmetic number, because the mean of its divisors is an integer number (70741350).

Almost surely, 21131012392 is an apocalyptic number.

It is an amenable number.

1131012392 is an abundant number, since it is smaller than the sum of its proper divisors (1132710808).

1131012392 is a wasteful number, since it uses less digits than its factorization.

1131012392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104897 (or 104893 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 1131012392 is about 33630.5276794760. The cubic root of 1131012392 is about 1041.8914027773.

The spelling of 1131012392 in words is "one billion, one hundred thirty-one million, twelve thousand, three hundred ninety-two".

Divisors: 1 2 4 8 19 38 71 76 142 152 284 568 1349 2698 5396 10792 104801 209602 419204 838408 1991219 3982438 7440871 7964876 14881742 15929752 29763484 59526968 141376549 282753098 565506196 1131012392