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2152503505 = 54615991559
BaseRepresentation
bin1000000001001100…
…1001100011010001
312120000022111201001
42000103021203101
513402020103010
6553331342001
7104224656265
oct20023114321
95500274631
102152503505
11a05039819
12500a51901
13283c41919
14165c360a5
15c8e88c3a
hex804c98d1

2152503505 has 16 divisors (see below), whose sum is σ = 2594592000. Its totient is φ = 1714298560.

The previous prime is 2152503499. The next prime is 2152503517. The reversal of 2152503505 is 5053052512.

It is not a de Polignac number, because 2152503505 - 23 = 2152503497 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1379916 + ... + 1381474.

It is an arithmetic number, because the mean of its divisors is an integer number (162162000).

Almost surely, 22152503505 is an apocalyptic number.

It is an amenable number.

2152503505 is a deficient number, since it is larger than the sum of its proper divisors (442088495).

2152503505 is a wasteful number, since it uses less digits than its factorization.

2152503505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2624.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 2152503505 is about 46395.0806120649. The cubic root of 2152503505 is about 1291.1636446483.

The spelling of 2152503505 in words is "two billion, one hundred fifty-two million, five hundred three thousand, five hundred five".

Divisors: 1 5 461 599 1559 2305 2995 7795 276139 718699 933841 1380695 3593495 4669205 430500701 2152503505