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1066531130 = 25731491489
BaseRepresentation
bin111111100100011…
…111100100111010
32202022212101122222
4333210133210322
54141012444010
6253455244042
735300236130
oct7744374472
92668771588
101066531130
114a8035695
12259219622
1313cc62b12
14a1909750
1563974355
hex3f91f93a

1066531130 has 32 divisors (see below), whose sum is σ = 2264785920. Its totient is φ = 353871360.

The previous prime is 1066531111. The next prime is 1066531153. The reversal of 1066531130 is 311356601.

It is a super-2 number, since 2×10665311302 = 2274977302518153800, 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 1066531130.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243575 + ... + 247914.

It is an arithmetic number, because the mean of its divisors is an integer number (70774560).

Almost surely, 21066531130 is an apocalyptic number.

1066531130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1066531130 is an abundant number, since it is smaller than the sum of its proper divisors (1198254790).

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

1066531130 is a wasteful number, since it uses less digits than its factorization.

1066531130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491534.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 1066531130 is about 32657.7881982231. The cubic root of 1066531130 is about 1021.7026317641.

Adding to 1066531130 its reverse (311356601), we get a palindrome (1377887731).

The spelling of 1066531130 in words is "one billion, sixty-six million, five hundred thirty-one thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 31 35 62 70 155 217 310 434 1085 2170 491489 982978 2457445 3440423 4914890 6880846 15236159 17202115 30472318 34404230 76180795 106653113 152361590 213306226 533265565 1066531130