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1255542141 = 3728779739
BaseRepresentation
bin100101011010110…
…0000110101111101
310020111112011000210
41022311200311331
510032404322031
6324330343033
743053634500
oct11265406575
93214464023
101255542141
115947a2437
122b058aa79
13170170359
14bca6b137
157535c746
hex4ad60d7d

1255542141 has 24 divisors (see below), whose sum is σ = 1949792160. Its totient is φ = 716560992.

The previous prime is 1255542133. The next prime is 1255542179. The reversal of 1255542141 is 1412455521.

It is not a de Polignac number, because 1255542141 - 23 = 1255542133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1255542099 and 1255542108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255542241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124050 + ... + 133788.

It is an arithmetic number, because the mean of its divisors is an integer number (81241340).

Almost surely, 21255542141 is an apocalyptic number.

It is an amenable number.

1255542141 is a deficient number, since it is larger than the sum of its proper divisors (694250019).

1255542141 is an equidigital number, since it uses as much as digits as its factorization.

1255542141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10633 (or 10626 counting only the distinct ones).

The product of its digits is 8000, while the sum is 30.

The square root of 1255542141 is about 35433.6300849913. The cubic root of 1255542141 is about 1078.8070220455.

Adding to 1255542141 its reverse (1412455521), we get a palindrome (2667997662).

The spelling of 1255542141 in words is "one billion, two hundred fifty-five million, five hundred forty-two thousand, one hundred forty-one".

Divisors: 1 3 7 21 49 147 877 2631 6139 9739 18417 29217 42973 68173 128919 204519 477211 1431633 8541103 25623309 59787721 179363163 418514047 1255542141