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255430228017 = 3661128809999
BaseRepresentation
bin1110110111100011010…
…0111111100000110001
3220102022101001000120110
43231320310333200301
513141110114244032
6313202032131533
724311541054216
oct3557064774061
9812271030513
10255430228017
11993667829a8
1241607096ba9
131b1190b3a73
14c511aa5b0d
15699e9057cc
hex3b78d3f831

255430228017 has 8 divisors (see below), whose sum is σ = 341088880000. Its totient is φ = 170029197360.

The previous prime is 255430227989. The next prime is 255430228033. The reversal of 255430228017 is 710822034552.

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

It is not a de Polignac number, because 255430228017 - 27 = 255430227889 is a prime.

It is a super-2 number, since 2×2554302280172 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255430228217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64403017 + ... + 64406982.

It is an arithmetic number, because the mean of its divisors is an integer number (42636110000).

Almost surely, 2255430228017 is an apocalyptic number.

It is an amenable number.

255430228017 is a deficient number, since it is larger than the sum of its proper divisors (85658651983).

255430228017 is a wasteful number, since it uses less digits than its factorization.

255430228017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128810663.

The product of its (nonzero) digits is 134400, while the sum is 39.

The spelling of 255430228017 in words is "two hundred fifty-five billion, four hundred thirty million, two hundred twenty-eight thousand, seventeen".

Divisors: 1 3 661 1983 128809999 386429997 85143409339 255430228017