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2505050505 = 32574374923
BaseRepresentation
bin1001010101010000…
…0000100110001001
320110120200202021100
42111110000212021
520112243104010
61052323532013
7116035402146
oct22524004611
96416622240
102505050505
111076043581
1259ab2a009
1330bcaa209
1419a9a73cd
15e9dc72c0
hex95500989

2505050505 has 24 divisors (see below), whose sum is σ = 4347989568. Its totient is φ = 1334210976.

The previous prime is 2505050503. The next prime is 2505050507. The reversal of 2505050505 is 5050505052.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2505050503) and next prime (2505050507).

It is not a de Polignac number, because 2505050505 - 21 = 2505050503 is a prime.

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

2505050505 is a modest number, since divided by 50505 gives 2505 as remainder.

It is not an unprimeable number, because it can be changed into a prime (2505050503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4027 + ... + 70896.

It is an arithmetic number, because the mean of its divisors is an integer number (181166232).

Almost surely, 22505050505 is an apocalyptic number.

It is an amenable number.

2505050505 is a deficient number, since it is larger than the sum of its proper divisors (1842939063).

2505050505 is a wasteful number, since it uses less digits than its factorization.

2505050505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75677 (or 75674 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 27.

The square root of 2505050505 is about 50050.4795681320. The cubic root of 2505050505 is about 1358.1221388522.

Adding to 2505050505 its reverse (5050505052), we get a palindrome (7555555557).

The spelling of 2505050505 in words is "two billion, five hundred five million, fifty thousand, five hundred five".

Divisors: 1 3 5 9 15 45 743 2229 3715 6687 11145 33435 74923 224769 374615 674307 1123845 3371535 55667789 167003367 278338945 501010101 835016835 2505050505