Search a number
-
+
1442881107 = 3417813347
BaseRepresentation
bin101011000000000…
…1001111001010011
310201120000221210000
41112000021321103
510423334143412
6355101541043
750520200313
oct12600117123
93646027700
101442881107
11680517a28
12343274783
1319cc13805
14d98b5443
1586a154dc
hex56009e53

1442881107 has 10 divisors (see below), whose sum is σ = 2155415108. Its totient is φ = 961920684.

The previous prime is 1442881093. The next prime is 1442881117. The reversal of 1442881107 is 7011882441.

It is not a de Polignac number, because 1442881107 - 211 = 1442879059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1442881117) 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 9 ways as a sum of consecutive naturals, for example, 8906593 + ... + 8906754.

Almost surely, 21442881107 is an apocalyptic number.

1442881107 is a deficient number, since it is larger than the sum of its proper divisors (712534001).

1442881107 is an equidigital number, since it uses as much as digits as its factorization.

1442881107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17813359 (or 17813350 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 1442881107 is about 37985.2748706653. The cubic root of 1442881107 is about 1129.9958511347.

The spelling of 1442881107 in words is "one billion, four hundred forty-two million, eight hundred eighty-one thousand, one hundred seven".

Divisors: 1 3 9 27 81 17813347 53440041 160320123 480960369 1442881107