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3216020717 = 71379447353
BaseRepresentation
bin1011111110110000…
…1001010011101101
322022010111210001102
42333230021103231
523041300130332
61251042252445
7142460503460
oct27754112355
98263453042
103216020717
1114003a5a68
12759057125
133c338a950
142271992d7
1513c515062
hexbfb094ed

3216020717 has 16 divisors (see below), whose sum is σ = 4008291840. Its totient is φ = 2512328832.

The previous prime is 3216020699. The next prime is 3216020719. The reversal of 3216020717 is 7170206123.

It is not a de Polignac number, because 3216020717 - 212 = 3216016621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3216020717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3216020719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216488 + ... + 230865.

It is an arithmetic number, because the mean of its divisors is an integer number (250518240).

Almost surely, 23216020717 is an apocalyptic number.

It is an amenable number.

3216020717 is a deficient number, since it is larger than the sum of its proper divisors (792271123).

3216020717 is a wasteful number, since it uses less digits than its factorization.

3216020717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447452.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 3216020717 is about 56709.9701728012. The cubic root of 3216020717 is about 1476.0677079432.

The spelling of 3216020717 in words is "three billion, two hundred sixteen million, twenty thousand, seven hundred seventeen".

Divisors: 1 7 13 79 91 553 1027 7189 447353 3131471 5815589 35340887 40709123 247386209 459431531 3216020717