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1444121130 = 23548137371
BaseRepresentation
bin101011000010011…
…1000101000101010
310201122100221202210
41112010320220222
510424143334010
6355144305550
750533553454
oct12604705052
93648327683
101444121130
11681194641
123437722b6
131a025905a
14d9b192d4
1586bacb20
hex56138a2a

1444121130 has 16 divisors (see below), whose sum is σ = 3465890784. Its totient is φ = 385098960.

The previous prime is 1444121123. The next prime is 1444121131. The reversal of 1444121130 is 311214441.

It is a super-2 number, since 2×14441211302 = 4170971676224953800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1444121097 and 1444121106.

It is not an unprimeable number, because it can be changed into a prime (1444121131) 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 7 ways as a sum of consecutive naturals, for example, 24068656 + ... + 24068715.

It is an arithmetic number, because the mean of its divisors is an integer number (216618174).

Almost surely, 21444121130 is an apocalyptic number.

1444121130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1444121130 is an abundant number, since it is smaller than the sum of its proper divisors (2021769654).

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

1444121130 is a wasteful number, since it uses less digits than its factorization.

1444121130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48137381.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1444121130 is about 38001.5937823665. The cubic root of 1444121130 is about 1130.3194674566.

Adding to 1444121130 its reverse (311214441), we get a palindrome (1755335571).

The spelling of 1444121130 in words is "one billion, four hundred forty-four million, one hundred twenty-one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 48137371 96274742 144412113 240686855 288824226 481373710 722060565 1444121130