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1001201130 = 232537300661
BaseRepresentation
bin111011101011010…
…001110111101010
32120202221021202100
4323223101313222
54022301414010
6243203114230
733545032506
oct7353216752
92522837670
101001201130
11474174256
1223b372976
1312c56ab07
1496d81306
155cd6c2c0
hex3bad1dea

1001201130 has 48 divisors (see below), whose sum is σ = 2673486504. Its totient is φ = 259770240.

The previous prime is 1001201101. The next prime is 1001201137. The reversal of 1001201130 is 311021001.

It can be written as a sum of positive squares in 4 ways, for example, as 823058721 + 178142409 = 28689^2 + 13347^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1001201137) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 147001 + ... + 153660.

Almost surely, 21001201130 is an apocalyptic number.

1001201130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001201130 is an abundant number, since it is smaller than the sum of its proper divisors (1672285374).

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

1001201130 is a wasteful number, since it uses less digits than its factorization.

1001201130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300711 (or 300708 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1001201130 is about 31641.7624351110. The cubic root of 1001201130 is about 1000.4002164721.

Adding to 1001201130 its reverse (311021001), we get a palindrome (1312222131).

The spelling of 1001201130 in words is "one billion, one million, two hundred one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 37 45 74 90 111 185 222 333 370 555 666 1110 1665 3330 300661 601322 901983 1503305 1803966 2705949 3006610 4509915 5411898 9019830 11124457 13529745 22248914 27059490 33373371 55622285 66746742 100120113 111244570 166866855 200240226 333733710 500600565 1001201130