Search a number
-
+
1252450405124 = 221911639332991
BaseRepresentation
bin10010001110011011110…
…111001000101100000100
311102201210102101202111122
4102032123313020230010
5131010004300430444
62355211234453112
7156325613535032
oct22163367105404
94381712352448
101252450405124
11443185669846
12182897134198
139114ac10c99
1444894479552
15228a47614ee
hex1239bdc8b04

1252450405124 has 12 divisors (see below), whose sum is σ = 2203263541248. Its totient is φ = 622946536200.

The previous prime is 1252450405103. The next prime is 1252450405127. The reversal of 1252450405124 is 4215040542521.

It is not an unprimeable number, because it can be changed into a prime (1252450405127) 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 3 ways as a sum of consecutive naturals, for example, 819665732 + ... + 819667259.

It is an arithmetic number, because the mean of its divisors is an integer number (183605295104).

Almost surely, 21252450405124 is an apocalyptic number.

It is an amenable number.

1252450405124 is a deficient number, since it is larger than the sum of its proper divisors (950813136124).

1252450405124 is a wasteful number, since it uses less digits than its factorization.

1252450405124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639333186 (or 1639333184 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 1252450405124 its reverse (4215040542521), we get a palindrome (5467490947645).

The spelling of 1252450405124 in words is "one trillion, two hundred fifty-two billion, four hundred fifty million, four hundred five thousand, one hundred twenty-four".

Divisors: 1 2 4 191 382 764 1639332991 3278665982 6557331964 313112601281 626225202562 1252450405124