Search a number
-
+
1252450230525 = 3752135333247
BaseRepresentation
bin10010001110011011110…
…110011110000011111101
311102201210102001220000000
4102032123312132003331
5131010004224334100
62355211231024513
7156325612210014
oct22163366360375
94381712056000
101252450230525
1144318555a64a
1218289706b139
139114ab7c680
1444894431a7b
15228a4729900
hex1239bd9e0fd

1252450230525 has 192 divisors, whose sum is σ = 2555776419840. Its totient is φ = 604938896640.

The previous prime is 1252450230517. The next prime is 1252450230533. The reversal of 1252450230525 is 5250320542521.

1252450230525 is a `hidden beast` number, since 1 + 2 + 52 + 4 + 50 + 2 + 30 + 525 = 666.

It is an interprime number because it is at equal distance from previous prime (1252450230517) and next prime (1252450230533).

It is not a de Polignac number, because 1252450230525 - 23 = 1252450230517 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1252450230525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 37654452 + ... + 37687698.

It is an arithmetic number, because the mean of its divisors is an integer number (13311335520).

Almost surely, 21252450230525 is an apocalyptic number.

1252450230525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1252450230525 is an abundant number, since it is smaller than the sum of its proper divisors (1303326189315).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1252450230525 is an equidigital number, since it uses as much as digits as its factorization.

1252450230525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33344 (or 33321 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 1252450230525 in words is "one trillion, two hundred fifty-two billion, four hundred fifty million, two hundred thirty thousand, five hundred twenty-five".