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676643585346676 = 221910190079786893
BaseRepresentation
bin1001100111011001110101110…
…0100010110100110001110100
310021201210111100212102120102101
42121312131130202310301310
51202142112030322043201
610355033434414351444
7262344612553515103
oct23166353442646164
93251714325376371
10676643585346676
11186665a29959082
1263a820877bb584
13230732a730267c
14bd13a1d58c03a
1553360bc11ad01
hex267675c8b4c74

676643585346676 has 48 divisors (see below), whose sum is σ = 1258929671650560. Its totient is φ = 317306697667200.

The previous prime is 676643585346671. The next prime is 676643585346679.

It is a happy number.

676643585346676 is nontrivially palindromic in base 10.

It is a Smith number, since the sum of its digits (82) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 676643585346676.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676643585346671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64244286 + ... + 74031178.

It is an arithmetic number, because the mean of its divisors is an integer number (26227701492720).

Almost surely, 2676643585346676 is an apocalyptic number.

It is an amenable number.

676643585346676 is a deficient number, since it is larger than the sum of its proper divisors (582286086303884).

676643585346676 is a wasteful number, since it uses less digits than its factorization.

676643585346676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9796024 (or 9796022 counting only the distinct ones).

The product of its digits is 65840947200, while the sum is 82.

The spelling of 676643585346676 in words is "six hundred seventy-six trillion, six hundred forty-three billion, five hundred eighty-five million, three hundred forty-six thousand, six hundred seventy-six".

Divisors: 1 2 4 19 38 76 101 202 404 1919 3838 7676 9007 18014 36028 171133 342266 684532 909707 1819414 3638828 9786893 17284433 19573786 34568866 39147572 69137732 185950967 371901934 743803868 988476193 1976952386 3953904772 18781047667 37562095334 75124190668 88150545251 176301090502 352602181004 1674860359769 3349720719538 6699441439076 8903205070351 17806410140702 35612820281404 169160896336669 338321792673338 676643585346676