Search a number
-
+
1242102350025 = 325247117456487
BaseRepresentation
bin10010000100110011000…
…100011100000011001001
311101202002020201002112200
4102010303010130003021
5130322311200200100
62350340340030413
7155511311526135
oct22046304340311
94352066632480
101242102350025
11439855438899
12180889692409
139018c09b964
1444191dd43c5
152249b050e00
hex1213311c0c9

1242102350025 has 36 divisors (see below), whose sum is σ = 2272078303872. Its totient is φ = 648359802720.

The previous prime is 1242102350017. The next prime is 1242102350053. The reversal of 1242102350025 is 5200532012421.

1242102350025 is a `hidden beast` number, since 1 + 2 + 421 + 0 + 235 + 0 + 0 + 2 + 5 = 666.

It is not a de Polignac number, because 1242102350025 - 23 = 1242102350017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 58717669 + ... + 58738818.

Almost surely, 21242102350025 is an apocalyptic number.

1242102350025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1242102350025 is a deficient number, since it is larger than the sum of its proper divisors (1029975953847).

1242102350025 is a wasteful number, since it uses less digits than its factorization.

1242102350025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117456550 (or 117456542 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 1242102350025 its reverse (5200532012421), we get a palindrome (6442634362446).

The spelling of 1242102350025 in words is "one trillion, two hundred forty-two billion, one hundred two million, three hundred fifty thousand, twenty-five".

Divisors: 1 3 5 9 15 25 45 47 75 141 225 235 423 705 1175 2115 3525 10575 117456487 352369461 587282435 1057108383 1761847305 2936412175 5285541915 5520454889 8809236525 16561364667 26427709575 27602274445 49684094001 82806823335 138011372225 248420470005 414034116675 1242102350025