Search a number
-
+
1320312313130 = 25238966618297
BaseRepresentation
bin10011001101101000101…
…111110001010100101010
311200012221211112212112212
4103031220233301110222
5133112444423010010
62450313151005122
7164250366330236
oct23155057612452
94605854485485
101320312313130
11469a39975738
12193a75b097a2
13976743c1535
1447c9112b5c6
15245272d3505
hex13368bf152a

1320312313130 has 32 divisors (see below), whose sum is σ = 2378200493520. Its totient is φ = 527760990720.

The previous prime is 1320312313123. The next prime is 1320312313181. The reversal of 1320312313130 is 313132130231.

It can be written as a sum of positive squares in 8 ways, for example, as 1136908255081 + 183404058049 = 1066259^2 + 428257^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1320312313096 and 1320312313105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159127142 + ... + 159135438.

Almost surely, 21320312313130 is an apocalyptic number.

1320312313130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320312313130 is a deficient number, since it is larger than the sum of its proper divisors (1057888180390).

1320312313130 is a wasteful number, since it uses less digits than its factorization.

1320312313130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17354.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1320312313130 its reverse (313132130231), we get a palindrome (1633444443361).

The spelling of 1320312313130 in words is "one trillion, three hundred twenty billion, three hundred twelve million, three hundred thirteen thousand, one hundred thirty".

Divisors: 1 2 5 10 2389 4778 6661 8297 11945 13322 16594 23890 33305 41485 66610 82970 15913129 19821533 31826258 39643066 55266317 79565645 99107665 110532634 159131290 198215330 276331585 552663170 132031231313 264062462626 660156156565 1320312313130