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305280250055 = 5115550550001
BaseRepresentation
bin1000111000101000001…
…11101111000011000111
31002011222111122112002222
410130110013233003013
520000203221000210
6352124355122555
731025062211354
oct4342407570307
91064874575088
10305280250055
11108517819320
124b1b98a345b
1322a31a61921
1410ac051562b
157e1b022655
hex47141ef0c7

305280250055 has 8 divisors (see below), whose sum is σ = 399639600144. Its totient is φ = 222022000000.

The previous prime is 305280250049. The next prime is 305280250063. The reversal of 305280250055 is 550052082503.

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

It is not a de Polignac number, because 305280250055 - 26 = 305280249991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 305280249997 and 305280250024.

It is a congruent number.

It is an unprimeable number.

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, 2775274946 + ... + 2775275055.

It is an arithmetic number, because the mean of its divisors is an integer number (49954950018).

Almost surely, 2305280250055 is an apocalyptic number.

305280250055 is a deficient number, since it is larger than the sum of its proper divisors (94359350089).

305280250055 is a wasteful number, since it uses less digits than its factorization.

305280250055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5550550017.

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 305280250055 in words is "three hundred five billion, two hundred eighty million, two hundred fifty thousand, fifty-five".

Divisors: 1 5 11 55 5550550001 27752750005 61056050011 305280250055