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1430121444 = 223119176787
BaseRepresentation
bin101010100111101…
…1110101111100100
310200200000200210220
41111033132233210
510412102341234
6353524244340
750303555163
oct12517365744
93620020726
101430121444
116742a2454
1233ab406b0
1319a396b0b
14d7d133da
1585844a49
hex553debe4

1430121444 has 12 divisors (see below), whose sum is σ = 3336950064. Its totient is φ = 476707144.

The previous prime is 1430121421. The next prime is 1430121463. The reversal of 1430121444 is 4441210341.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 59588382 + ... + 59588405.

It is an arithmetic number, because the mean of its divisors is an integer number (278079172).

Almost surely, 21430121444 is an apocalyptic number.

It is an amenable number.

1430121444 is an abundant number, since it is smaller than the sum of its proper divisors (1906828620).

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

1430121444 is a wasteful number, since it uses less digits than its factorization.

1430121444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119176794 (or 119176792 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1430121444 is about 37816.9465187236. The cubic root of 1430121444 is about 1126.6550635843.

Adding to 1430121444 its reverse (4441210341), we get a palindrome (5871331785).

The spelling of 1430121444 in words is "one billion, four hundred thirty million, one hundred twenty-one thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 119176787 238353574 357530361 476707148 715060722 1430121444