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5721272019769 = 29197285242061
BaseRepresentation
bin101001101000001011001…
…1000101110101100111001
3202020221121021200002111011
41103100112120232230321
51222214131114113034
620100152135033521
71130230311526045
oct123202630565471
922227537602434
105721272019769
1119064179a1489
127849a250b8a1
1332668a5c8247
1415aca7c8d025
159dc54059864
hex5341662eb39

5721272019769 has 4 divisors (see below), whose sum is σ = 5918557261860. Its totient is φ = 5523986777680.

The previous prime is 5721272019761. The next prime is 5721272019773. The reversal of 5721272019769 is 9679102721275.

5721272019769 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2620108755625 + 3101163264144 = 1618675^2 + 1761012^2 .

It is a cyclic number.

It is not a de Polignac number, because 5721272019769 - 23 = 5721272019761 is a prime.

It is a super-2 number, since 2×57212720197692 (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5721272019761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98642621002 + ... + 98642621059.

It is an arithmetic number, because the mean of its divisors is an integer number (1479639315465).

Almost surely, 25721272019769 is an apocalyptic number.

It is an amenable number.

5721272019769 is a deficient number, since it is larger than the sum of its proper divisors (197285242091).

5721272019769 is a wasteful number, since it uses less digits than its factorization.

5721272019769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197285242090.

The product of its (nonzero) digits is 6667920, while the sum is 58.

The spelling of 5721272019769 in words is "five trillion, seven hundred twenty-one billion, two hundred seventy-two million, nineteen thousand, seven hundred sixty-nine".

Divisors: 1 29 197285242061 5721272019769