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2505255285 = 351312899967
BaseRepresentation
bin1001010101010011…
…0010100101110101
320110121002011011210
42111110302211311
520112321132120
61052332152033
7116040214161
oct22524624565
96417064153
102505255285
111076173415
1259b008619
1330c04c4a0
1419aa1bca1
15e9e17ce0
hex95532975

2505255285 has 32 divisors (see below), whose sum is σ = 4320529920. Its totient is φ = 1232275968.

The previous prime is 2505255283. The next prime is 2505255329. The reversal of 2505255285 is 5825525052.

2505255285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2505255285 - 21 = 2505255283 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505255281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 246372 + ... + 256338.

It is an arithmetic number, because the mean of its divisors is an integer number (135016560).

Almost surely, 22505255285 is an apocalyptic number.

It is an amenable number.

2505255285 is a deficient number, since it is larger than the sum of its proper divisors (1815274635).

2505255285 is a wasteful number, since it uses less digits than its factorization.

2505255285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11277.

The product of its (nonzero) digits is 200000, while the sum is 39.

The square root of 2505255285 is about 50052.5252609696. The cubic root of 2505255285 is about 1358.1591452483.

The spelling of 2505255285 in words is "two billion, five hundred five million, two hundred fifty-five thousand, two hundred eighty-five".

Divisors: 1 3 5 13 15 39 65 195 1289 3867 6445 9967 16757 19335 29901 49835 50271 83785 129571 149505 251355 388713 647855 1943565 12847463 38542389 64237315 167017019 192711945 501051057 835085095 2505255285