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1300440100 = 225285915139
BaseRepresentation
bin100110110000011…
…0010010000100100
310100122000012110011
41031200302100210
510130403040400
6333012540004
744140362361
oct11540622044
93318005404
101300440100
11608078993
12303621604
131795603ab
14c49d7468
157927a8ba
hex4d832424

1300440100 has 36 divisors (see below), whose sum is σ = 2825426800. Its totient is φ = 519536160.

The previous prime is 1300440077. The next prime is 1300440101. The reversal of 1300440100 is 10440031.

It is a super-2 number, since 2×13004401002 = 3382288907376020000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1300440101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78331 + ... + 93469.

Almost surely, 21300440100 is an apocalyptic number.

1300440100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1300440100 is an abundant number, since it is smaller than the sum of its proper divisors (1524986700).

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

1300440100 is a wasteful number, since it uses less digits than its factorization.

1300440100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16012 (or 16005 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1300440100 is about 36061.6153271037. The cubic root of 1300440100 is about 1091.5160286548.

Adding to 1300440100 its reverse (10440031), we get a palindrome (1310880131).

The spelling of 1300440100 in words is "one billion, three hundred million, four hundred forty thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 859 1718 3436 4295 8590 15139 17180 21475 30278 42950 60556 75695 85900 151390 302780 378475 756950 1513900 13004401 26008802 52017604 65022005 130044010 260088020 325110025 650220050 1300440100