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1320342130 = 251109119057
BaseRepresentation
bin100111010110010…
…1101001001110010
310102000110022220101
41032230231021302
510201001422010
6335003303014
744501502652
oct11654551162
93360408811
101320342130
11618331648
1230a21aa6a
1318070b043
14c74d8362
157adac73a
hex4eb2d272

1320342130 has 16 divisors (see below), whose sum is σ = 2378778840. Its totient is φ = 527656192.

The previous prime is 1320342113. The next prime is 1320342139. The reversal of 1320342130 is 312430231.

It can be written as a sum of positive squares in 4 ways, for example, as 764467201 + 555874929 = 27649^2 + 23577^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1320342098 and 1320342107.

It is not an unprimeable number, because it can be changed into a prime (1320342139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48439 + ... + 70618.

Almost surely, 21320342130 is an apocalyptic number.

1320342130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320342130 is a deficient number, since it is larger than the sum of its proper divisors (1058436710).

1320342130 is a wasteful number, since it uses less digits than its factorization.

1320342130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120173.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1320342130 is about 36336.5123532790. The cubic root of 1320342130 is about 1097.0560758787.

Adding to 1320342130 its reverse (312430231), we get a palindrome (1632772361).

The spelling of 1320342130 in words is "one billion, three hundred twenty million, three hundred forty-two thousand, one hundred thirty".

Divisors: 1 2 5 10 1109 2218 5545 11090 119057 238114 595285 1190570 132034213 264068426 660171065 1320342130