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2001200130 = 232537600961
BaseRepresentation
bin111011101000111…
…1110010000000010
312011110121111111100
41313101332100002
513044301401010
6530324355230
7100406630466
oct16721762002
95143544440
102001200130
11937697306
1247a245b16
1325b7a76b7
1414dacc4a6
15baa4d2c0
hex7747e402

2001200130 has 48 divisors (see below), whose sum is σ = 5343754104. Its totient is φ = 519229440.

The previous prime is 2001200083. The next prime is 2001200141. The reversal of 2001200130 is 310021002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1958859081 + 42341049 = 44259^2 + 6507^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 297151 + ... + 303810.

Almost surely, 22001200130 is an apocalyptic number.

2001200130 is an abundant number, since it is smaller than the sum of its proper divisors (3342553974).

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

2001200130 is a wasteful number, since it uses less digits than its factorization.

2001200130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601011 (or 601008 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 2001200130 is about 44734.7753990114. The cubic root of 2001200130 is about 1260.1730110122.

Adding to 2001200130 its reverse (310021002), we get a palindrome (2311221132).

The spelling of 2001200130 in words is "two billion, one million, two hundred 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 600961 1201922 1802883 3004805 3605766 5408649 6009610 9014415 10817298 18028830 22235557 27043245 44471114 54086490 66706671 111177785 133413342 200120013 222355570 333533355 400240026 667066710 1000600065 2001200130