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255252104145 = 3453171988177
BaseRepresentation
bin1110110110111000110…
…1100000001111010001
3220101211221212101120000
43231232031200033101
513140224014313040
6313132230240213
724304246041513
oct3555615401721
9811757771500
10255252104145
1199285181895
12415774b6069
131b0bb218b1c
14c4d6179bb3
15698de6d130
hex3b6e3603d1

255252104145 has 40 divisors (see below), whose sum is σ = 459006678504. Its totient is φ = 135704941056.

The previous prime is 255252104143. The next prime is 255252104153. The reversal of 255252104145 is 541401252552.

255252104145 is a `hidden beast` number, since 2 + 5 + 5 + 25 + 210 + 414 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 24656222529 + 230595881616 = 157023^2 + 480204^2 .

It is not a de Polignac number, because 255252104145 - 21 = 255252104143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255252104143) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 865704 + ... + 1122473.

Almost surely, 2255252104145 is an apocalyptic number.

It is an amenable number.

255252104145 is a deficient number, since it is larger than the sum of its proper divisors (203754574359).

255252104145 is a wasteful number, since it uses less digits than its factorization.

255252104145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1988511 (or 1988502 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

Adding to 255252104145 its reverse (541401252552), we get a palindrome (796653356697).

The spelling of 255252104145 in words is "two hundred fifty-five billion, two hundred fifty-two million, one hundred four thousand, one hundred forty-five".

Divisors: 1 3 5 9 15 27 45 81 135 317 405 951 1585 2853 4755 8559 14265 25677 42795 128385 1988177 5964531 9940885 17893593 29822655 53680779 89467965 161042337 268403895 630252109 805211685 1890756327 3151260545 5672268981 9453781635 17016806943 28361344905 51050420829 85084034715 255252104145