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5200175721 = 3131967104743
BaseRepresentation
bin1001101011111010…
…00110001001101001
3111102102001022000210
410311331012021221
541122221110341
62220001451333
7242602523106
oct46575061151
914372038023
105200175721
1122293aaa94
121011640b49
1364b477b70
143748cbaad
152067e7c16
hex135f46269

5200175721 has 32 divisors (see below), whose sum is σ = 7977303040. Its totient is φ = 2986403904.

The previous prime is 5200175699. The next prime is 5200175737. The reversal of 5200175721 is 1275710025.

It is not a de Polignac number, because 5200175721 - 214 = 5200159337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5200175791) 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 31 ways as a sum of consecutive naturals, for example, 2725 + ... + 102018.

It is an arithmetic number, because the mean of its divisors is an integer number (249290720).

Almost surely, 25200175721 is an apocalyptic number.

It is an amenable number.

5200175721 is a deficient number, since it is larger than the sum of its proper divisors (2777127319).

5200175721 is a wasteful number, since it uses less digits than its factorization.

5200175721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104845.

The product of its (nonzero) digits is 4900, while the sum is 30.

The square root of 5200175721 is about 72112.2439049015. The cubic root of 5200175721 is about 1732.4977253853.

Adding to 5200175721 its reverse (1275710025), we get a palindrome (6475885746).

The spelling of 5200175721 in words is "five billion, two hundred million, one hundred seventy-five thousand, seven hundred twenty-one".

Divisors: 1 3 13 19 39 57 67 201 247 741 871 1273 2613 3819 16549 49647 104743 314229 1361659 1990117 4084977 5970351 7017781 21053343 25871521 77614563 91231153 133337839 273693459 400013517 1733391907 5200175721