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255310169869 = 2983106069867
BaseRepresentation
bin1110110111000110101…
…1000000011100001101
3220102000000010102202101
43231301223000130031
513140333400413434
6313142102555101
724305552431366
oct3556153003415
9812000112671
10255310169869
1199304a31497
1241592a38a91
131b0ca269541
14c4ddb72b6d
1569940dcb14
hex3b71ac070d

255310169869 has 8 divisors (see below), whose sum is σ = 267296067360. Its totient is φ = 243536412336.

The previous prime is 255310169843. The next prime is 255310169903. The reversal of 255310169869 is 968961013552.

255310169869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255310169869 - 25 = 255310169837 is a prime.

It is a super-2 number, since 2×2553101698692 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255310169069) 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 7 ways as a sum of consecutive naturals, for example, 53032527 + ... + 53037340.

It is an arithmetic number, because the mean of its divisors is an integer number (33412008420).

Almost surely, 2255310169869 is an apocalyptic number.

255310169869 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

255310169869 is a deficient number, since it is larger than the sum of its proper divisors (11985897491).

255310169869 is a wasteful number, since it uses less digits than its factorization.

255310169869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106069979.

The product of its (nonzero) digits is 3499200, while the sum is 55.

The spelling of 255310169869 in words is "two hundred fifty-five billion, three hundred ten million, one hundred sixty-nine thousand, eight hundred sixty-nine".

Divisors: 1 29 83 2407 106069867 3076026143 8803798961 255310169869