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1330021010 = 25177823653
BaseRepresentation
bin100111101000110…
…1000001010010010
310102200200001211102
41033101220022102
510210441133020
6335550544402
744646664163
oct11721501222
93380601742
101330021010
1162284251a
12311508102
131827196a6
14c88d776a
157bb70475
hex4f468292

1330021010 has 16 divisors (see below), whose sum is σ = 2534863896. Its totient is φ = 500713728.

The previous prime is 1330021009. The next prime is 1330021013. The reversal of 1330021010 is 101200331.

It can be written as a sum of positive squares in 4 ways, for example, as 1170529369 + 159491641 = 34213^2 + 12629^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1330020982 and 1330021000.

It is not an unprimeable number, because it can be changed into a prime (1330021013) 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, 3911657 + ... + 3911996.

Almost surely, 21330021010 is an apocalyptic number.

1330021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1330021010 is a deficient number, since it is larger than the sum of its proper divisors (1204842886).

1330021010 is a wasteful number, since it uses less digits than its factorization.

1330021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7823677.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1330021010 is about 36469.4531080465. The cubic root of 1330021010 is about 1099.7302396354.

Adding to 1330021010 its reverse (101200331), we get a palindrome (1431221341).

The spelling of 1330021010 in words is "one billion, three hundred thirty million, twenty-one thousand, ten".

Divisors: 1 2 5 10 17 34 85 170 7823653 15647306 39118265 78236530 133002101 266004202 665010505 1330021010