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1320012010 = 25821160781
BaseRepresentation
bin100111010101101…
…1100100011101010
310101222211120001201
41032223130203222
510200410341020
6334552234414
744465626342
oct11653344352
93358746051
101320012010
11618126619
1230a09ba0a
131806239c5
14c744dd22
157ad44a0a
hex4eadc8ea

1320012010 has 16 divisors (see below), whose sum is σ = 2378930472. Its totient is φ = 527358400.

The previous prime is 1320012007. The next prime is 1320012017. The reversal of 1320012010 is 102100231.

It can be written as a sum of positive squares in 4 ways, for example, as 879893569 + 440118441 = 29663^2 + 20979^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (1320012017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72181 + ... + 88600.

Almost surely, 21320012010 is an apocalyptic number.

1320012010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320012010 is a deficient number, since it is larger than the sum of its proper divisors (1058918462).

1320012010 is a wasteful number, since it uses less digits than its factorization.

1320012010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161609.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1320012010 is about 36331.9695309792. The cubic root of 1320012010 is about 1096.9646373717.

Adding to 1320012010 its reverse (102100231), we get a palindrome (1422112241).

The spelling of 1320012010 in words is "one billion, three hundred twenty million, twelve thousand, ten".

Divisors: 1 2 5 10 821 1642 4105 8210 160781 321562 803905 1607810 132001201 264002402 660006005 1320012010