Search a number
-
+
1312420104131 = 1798311882199
BaseRepresentation
bin10011000110010010010…
…101011000011111000011
311122110120210222010002212
4103012102111120133003
5133000314021313011
62442530101332335
7163550664551453
oct23062225303703
94573523863085
101312420104131
11466659a30264
12192432a070ab
13969b72bc196
1447742cc1d63
15242144cb08b
hex131925587c3

1312420104131 has 8 divisors (see below), whose sum is σ = 1319912352000. Its totient is φ = 1304929637640.

The previous prime is 1312420104103. The next prime is 1312420104133. The reversal of 1312420104131 is 1314010242131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1312420104131 - 218 = 1312419841987 is a prime.

It is a super-2 number, since 2×13124201041312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1312420104097 and 1312420104106.

It is not an unprimeable number, because it can be changed into a prime (1312420104133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1046570 + ... + 1928768.

It is an arithmetic number, because the mean of its divisors is an integer number (164989044000).

Almost surely, 21312420104131 is an apocalyptic number.

1312420104131 is a deficient number, since it is larger than the sum of its proper divisors (7492247869).

1312420104131 is an equidigital number, since it uses as much as digits as its factorization.

1312420104131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890689.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 1312420104131 its reverse (1314010242131), we get a palindrome (2626430346262).

The spelling of 1312420104131 in words is "one trillion, three hundred twelve billion, four hundred twenty million, one hundred four thousand, one hundred thirty-one".

Divisors: 1 179 8311 882199 1487669 157913621 7331955889 1312420104131