Search a number
-
+
1255311311353 = 11197382277729
BaseRepresentation
bin10010010001000110011…
…000101000000111111001
311110000011210200212001121
4102101012120220013321
5131031334143430403
62400403153545241
7156456533043361
oct22210630500771
94400153625047
101255311311353
11444413566a60
12183355275221
13914b58447c8
1444a863d59a1
15229c09cc3bd
hex124466281f9

1255311311353 has 16 divisors (see below), whose sum is σ = 1461252484800. Its totient is φ = 1066319354880.

The previous prime is 1255311311333. The next prime is 1255311311357. The reversal of 1255311311353 is 3531131135521.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1255311311353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1255311311357) 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 15 ways as a sum of consecutive naturals, for example, 41123608 + ... + 41154121.

It is an arithmetic number, because the mean of its divisors is an integer number (91328280300).

Almost surely, 21255311311353 is an apocalyptic number.

It is an amenable number.

1255311311353 is a deficient number, since it is larger than the sum of its proper divisors (205941173447).

1255311311353 is a wasteful number, since it uses less digits than its factorization.

1255311311353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82277832.

The product of its digits is 20250, while the sum is 34.

Adding to 1255311311353 its reverse (3531131135521), we get a palindrome (4786442446874).

The spelling of 1255311311353 in words is "one trillion, two hundred fifty-five billion, three hundred eleven million, three hundred eleven thousand, three hundred fifty-three".

Divisors: 1 11 19 73 209 803 1387 15257 82277729 905055019 1563276851 6006274217 17196045361 66069016387 114119210123 1255311311353