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2505052505 = 54311651407
BaseRepresentation
bin1001010101010000…
…0001000101011001
320110120200212000102
42111110001011121
520112243140010
61052323545145
7116035411034
oct22524010531
96416625012
102505052505
11107604502a
1259ab2b1b5
1330bcab0b7
1419a9a801b
15e9dc7ba5
hex95501159

2505052505 has 8 divisors (see below), whose sum is σ = 3075971712. Its totient is φ = 1957436208.

The previous prime is 2505052471. The next prime is 2505052507. The reversal of 2505052505 is 5052505052.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2505052505 is a prime.

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

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2505052507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5825489 + ... + 5825918.

It is an arithmetic number, because the mean of its divisors is an integer number (384496464).

Almost surely, 22505052505 is an apocalyptic number.

It is an amenable number.

2505052505 is a deficient number, since it is larger than the sum of its proper divisors (570919207).

2505052505 is a wasteful number, since it uses less digits than its factorization.

2505052505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11651455.

The product of its (nonzero) digits is 12500, while the sum is 29.

The square root of 2505052505 is about 50050.4995479566. The cubic root of 2505052505 is about 1358.1225002878.

Adding to 2505052505 its reverse (5052505052), we get a palindrome (7557557557).

The spelling of 2505052505 in words is "two billion, five hundred five million, fifty-two thousand, five hundred five".

Divisors: 1 5 43 215 11651407 58257035 501010501 2505052505