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255013412140555 = 523431631597198109
BaseRepresentation
bin111001111110111011101111…
…110101111111011000001011
31020102221001012011012210010221
4321332323233311333120023
5231411114432001444210
62302211313320050511
7104500053040103515
oct7176735765773013
91212831164183127
10255013412140555
1174289642a70682
1224727383903a37
13ac3a87a64a353
1446d8a01d84bb5
151e7373db331da
hexe7eeefd7f60b

255013412140555 has 64 divisors (see below), whose sum is σ = 328959315717120. Its totient is φ = 189313627700736.

The previous prime is 255013412140519. The next prime is 255013412140559. The reversal of 255013412140555 is 555041214310552.

It is a cyclic number.

It is not a de Polignac number, because 255013412140555 - 29 = 255013412140043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (255013412140559) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1287138841 + ... + 1287336949.

It is an arithmetic number, because the mean of its divisors is an integer number (5139989308080).

Almost surely, 2255013412140555 is an apocalyptic number.

255013412140555 is a deficient number, since it is larger than the sum of its proper divisors (73945903576565).

255013412140555 is a wasteful number, since it uses less digits than its factorization.

255013412140555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199940.

The product of its (nonzero) digits is 600000, while the sum is 43.

The spelling of 255013412140555 in words is "two hundred fifty-five trillion, thirteen billion, four hundred twelve million, one hundred forty thousand, five hundred fifty-five".

Divisors: 1 5 23 43 115 163 215 815 989 1597 3749 4945 7009 7985 18745 35045 36731 68671 161207 183655 198109 260311 343355 806035 990545 1301555 1579433 4556507 5987153 7897165 8518687 11193373 22782535 29935765 32291767 42593435 55966865 161458835 195929801 257447579 316380073 742710641 979649005 1287237895 1388545981 1581900365 3713553205 6942729905 7276741679 13604343139 31936557563 36383708395 51569951899 68021715695 159682787815 257849759495 312899892197 1186108893677 1564499460985 2217507931657 5930544468385 11087539658285 51002682428111 255013412140555