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2505258707 = 73167172313
BaseRepresentation
bin1001010101010011…
…0011011011010011
320110121002022212112
42111110303123103
520112321234312
61052332215535
7116040230150
oct22524633323
96417068775
102505258707
111076175a46
1259b00a5ab
1330c050c03
1419aa1d227
15e9e18d22
hex955336d3

2505258707 has 16 divisors (see below), whose sum is σ = 2999642112. Its totient is φ = 2047066560.

The previous prime is 2505258677. The next prime is 2505258713. The reversal of 2505258707 is 7078525052.

2505258707 is nontrivially palindromic in base 13.

It is not a de Polignac number, because 2505258707 - 28 = 2505258451 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2505258787) 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 15 ways as a sum of consecutive naturals, for example, 71618 + ... + 100695.

It is an arithmetic number, because the mean of its divisors is an integer number (187477632).

Almost surely, 22505258707 is an apocalyptic number.

2505258707 is a deficient number, since it is larger than the sum of its proper divisors (494383405).

2505258707 is a wasteful number, since it uses less digits than its factorization.

2505258707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172418.

The product of its (nonzero) digits is 196000, while the sum is 41.

The square root of 2505258707 is about 50052.5594450474. The cubic root of 2505258707 is about 1358.1597636308.

The spelling of 2505258707 in words is "two billion, five hundred five million, two hundred fifty-eight thousand, seven hundred seven".

Divisors: 1 7 31 67 217 469 2077 14539 172313 1206191 5341703 11544971 37391921 80814797 357894101 2505258707