Search a number
-
+
1025450113215 = 351117365579363
BaseRepresentation
bin11101110110000011001…
…01101111100010111111
310122000212101022010112210
432323001211233202333
5113300110212110330
62103030230431503
7134041416100563
oct16730145574277
93560771263483
101025450113215
11365988945710
121468a5202593
1375912b3b428
14378bc4bb6a3
151ba1abea8b0
hexeec196f8bf

1025450113215 has 32 divisors (see below), whose sum is σ = 1895163422976. Its totient is φ = 467941583360.

The previous prime is 1025450113169. The next prime is 1025450113217. The reversal of 1025450113215 is 5123110545201.

It is not a de Polignac number, because 1025450113215 - 210 = 1025450112191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025450113217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182786877 + ... + 182792486.

It is an arithmetic number, because the mean of its divisors is an integer number (59223856968).

Almost surely, 21025450113215 is an apocalyptic number.

1025450113215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1025450113215 is a deficient number, since it is larger than the sum of its proper divisors (869713309761).

1025450113215 is a wasteful number, since it uses less digits than its factorization.

1025450113215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365579399.

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 1025450113215 its reverse (5123110545201), we get a palindrome (6148560658416).

The spelling of 1025450113215 in words is "one trillion, twenty-five billion, four hundred fifty million, one hundred thirteen thousand, two hundred fifteen".

Divisors: 1 3 5 11 15 17 33 51 55 85 165 187 255 561 935 2805 365579363 1096738089 1827896815 4021372993 5483690445 6214849171 12064118979 18644547513 20106864965 31074245855 60320594895 68363340881 93222737565 205090022643 341816704405 1025450113215