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5716721831 = 29313629803
BaseRepresentation
bin1010101001011111…
…00100000010100111
3112202102000120002012
411110233210002213
543201440044311
62343133104435
7261444222332
oct52457440247
915672016065
105716721831
112473a387a7
12113662811b
137014a4252
143c334d619
15236d2d78b
hex154be40a7

5716721831 has 8 divisors (see below), whose sum is σ = 5932753680. Its totient is φ = 5501950272.

The previous prime is 5716721821. The next prime is 5716721833. The reversal of 5716721831 is 1381276175.

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 not a de Polignac number, because 5716721831 - 226 = 5649612967 is a prime.

It is a super-2 number, since 2×57167218312 = 65361816986063985122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5716721833) 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, 305825 + ... + 323978.

It is an arithmetic number, because the mean of its divisors is an integer number (741594210).

Almost surely, 25716721831 is an apocalyptic number.

5716721831 is a deficient number, since it is larger than the sum of its proper divisors (216031849).

5716721831 is a wasteful number, since it uses less digits than its factorization.

5716721831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630145.

The product of its digits is 70560, while the sum is 41.

The square root of 5716721831 is about 75609.0062823206. The cubic root of 5716721831 is about 1788.0610936548.

The spelling of 5716721831 in words is "five billion, seven hundred sixteen million, seven hundred twenty-one thousand, eight hundred thirty-one".

Divisors: 1 29 313 9077 629803 18264287 197128339 5716721831