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1011122930 = 25101112293
BaseRepresentation
bin111100010001001…
…000001011110010
32121110121100220102
4330101020023302
54032321413210
6244155512402
734025255156
oct7421101362
92543540812
101011122930
11479830694
12242758702
13131632bbc
1498405066
155db7bea5
hex3c4482f2

1011122930 has 8 divisors (see below), whose sum is σ = 1820021292. Its totient is φ = 404449168.

The previous prime is 1011122909. The next prime is 1011122933. The reversal of 1011122930 is 392211101.

It can be written as a sum of positive squares in 2 ways, for example, as 987279241 + 23843689 = 31421^2 + 4883^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1011122933) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 50556137 + ... + 50556156.

Almost surely, 21011122930 is an apocalyptic number.

1011122930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011122930 is a deficient number, since it is larger than the sum of its proper divisors (808898362).

1011122930 is a wasteful number, since it uses less digits than its factorization.

1011122930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101112300.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 1011122930 is about 31798.1592234519. The cubic root of 1011122930 is about 1003.6939810354.

The spelling of 1011122930 in words is "one billion, eleven million, one hundred twenty-two thousand, nine hundred thirty".

Divisors: 1 2 5 10 101112293 202224586 505561465 1011122930