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5272711721 = 172399129287
BaseRepresentation
bin1001110100100011…
…10011001000101001
3111121110112111201022
410322101303020221
541244303233341
62231112302225
7244443211244
oct47221631051
914543474638
105272711721
1122663433a2
1210319a1975
136604c3a84
143803b025b
1520cd74e4b
hex13a473229

5272711721 has 8 divisors (see below), whose sum is σ = 5585241600. Its totient is φ = 4960445248.

The previous prime is 5272711709. The next prime is 5272711753. The reversal of 5272711721 is 1271172725.

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

It is a cyclic number.

It is not a de Polignac number, because 5272711721 - 26 = 5272711657 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5272711921) 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, 23861 + ... + 105426.

It is an arithmetic number, because the mean of its divisors is an integer number (698155200).

Almost surely, 25272711721 is an apocalyptic number.

It is an amenable number.

5272711721 is a deficient number, since it is larger than the sum of its proper divisors (312529879).

5272711721 is a wasteful number, since it uses less digits than its factorization.

5272711721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131703.

The product of its digits is 13720, while the sum is 35.

The square root of 5272711721 is about 72613.4403605834. The cubic root of 5272711721 is about 1740.5159566697.

The spelling of 5272711721 in words is "five billion, two hundred seventy-two million, seven hundred eleven thousand, seven hundred twenty-one".

Divisors: 1 17 2399 40783 129287 2197879 310159513 5272711721