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6706076445 = 325178766113
BaseRepresentation
bin1100011111011011…
…01001101100011101
3122022100122222110200
412033231221230131
5102213223421240
63025234254113
7325116465165
oct61755515435
918270588420
106706076445
112931450542
121371a27339
1382b454b93
144788c95a5
15293b0a930
hex18fb69b1d

6706076445 has 24 divisors (see below), whose sum is σ = 12307624056. Its totient is φ = 3366187008.

The previous prime is 6706076441. The next prime is 6706076471. The reversal of 6706076445 is 5446706076.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 512071641 + 6194004804 = 22629^2 + 78702^2 .

It is not a de Polignac number, because 6706076445 - 22 = 6706076441 is a prime.

It is a super-2 number, since 2×67060764452 = 89942922572367676050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6706076445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6706076441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4382292 + ... + 4383821.

It is an arithmetic number, because the mean of its divisors is an integer number (512817669).

Almost surely, 26706076445 is an apocalyptic number.

It is an amenable number.

6706076445 is a deficient number, since it is larger than the sum of its proper divisors (5601547611).

6706076445 is a wasteful number, since it uses less digits than its factorization.

6706076445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8766141 (or 8766138 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The square root of 6706076445 is about 81890.6371021743. The cubic root of 6706076445 is about 1885.7733760384.

The spelling of 6706076445 in words is "six billion, seven hundred six million, seventy-six thousand, four hundred forty-five".

Divisors: 1 3 5 9 15 17 45 51 85 153 255 765 8766113 26298339 43830565 78895017 131491695 149023921 394475085 447071763 745119605 1341215289 2235358815 6706076445