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256683315080541 = 3419372227167791
BaseRepresentation
bin111010010111001110111101…
…110100001010110101011101
31020122211200111120012112200110
4322113032331310022311131
5232120444412130034131
62305530404223320233
7105031520555641446
oct7227167564126535
91218750446175613
10256683315080541
1174872867708548
1224956b42a50079
13b02c19586646b
1447557784202cd
151ea1dc7054646
hexe973bdd0ad5d

256683315080541 has 16 divisors (see below), whose sum is σ = 350966009334528. Its totient is φ = 166770324115200.

The previous prime is 256683315080503. The next prime is 256683315080587. The reversal of 256683315080541 is 145080513386652.

It is not a de Polignac number, because 256683315080541 - 29 = 256683315080029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256683315080341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1113468645 + ... + 1113699146.

It is an arithmetic number, because the mean of its divisors is an integer number (21935375583408).

Almost surely, 2256683315080541 is an apocalyptic number.

It is an amenable number.

256683315080541 is a deficient number, since it is larger than the sum of its proper divisors (94282694253987).

256683315080541 is a wasteful number, since it uses less digits than its factorization.

256683315080541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2227168772.

The product of its (nonzero) digits is 20736000, while the sum is 57.

The spelling of 256683315080541 in words is "two hundred fifty-six trillion, six hundred eighty-three billion, three hundred fifteen million, eighty thousand, five hundred forty-one".

Divisors: 1 3 41 123 937 2811 38417 115251 2227167791 6681503373 91313879431 273941638293 2086856220167 6260568660501 85561105026847 256683315080541