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771303013 = 13137433073
BaseRepresentation
bin101101111110010…
…010011001100101
31222202100020211021
4231332102121211
53034423144023
6204311411141
725053652555
oct5576223145
91882306737
10771303013
11366420408
12196383ab1
13c3a46020
1474619165
1547aa935d
hex2df92665

771303013 has 8 divisors (see below), whose sum is σ = 836698968. Its totient is φ = 706773504.

The previous prime is 771303007. The next prime is 771303023. The reversal of 771303013 is 310303177.

It can be written as a sum of positive squares in 4 ways, for example, as 70006689 + 701296324 = 8367^2 + 26482^2 .

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 771303013 - 29 = 771302501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (771303023) 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 7 ways as a sum of consecutive naturals, for example, 214756 + ... + 218317.

It is an arithmetic number, because the mean of its divisors is an integer number (104587371).

Almost surely, 2771303013 is an apocalyptic number.

It is an amenable number.

771303013 is a deficient number, since it is larger than the sum of its proper divisors (65395955).

771303013 is a wasteful number, since it uses less digits than its factorization.

771303013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433223.

The product of its (nonzero) digits is 1323, while the sum is 25.

The square root of 771303013 is about 27772.3425911463. The cubic root of 771303013 is about 917.0823657408.

The spelling of 771303013 in words is "seven hundred seventy-one million, three hundred three thousand, thirteen".

Divisors: 1 13 137 1781 433073 5629949 59331001 771303013