Search a number
-
+
28030250500255 = 5671374519135151
BaseRepresentation
bin1100101111110010011010…
…00111111100000010011111
310200020122222100111112122101
412113321031013330002133
512133221423112002010
6135340530323225531
75622055511034343
oct627711507740237
9120218870445571
1028030250500255
118a27620729903
12318854a2182a7
13128431a129293
146cc958311623
153391e790773a
hex197e4d1fc09f

28030250500255 has 32 divisors (see below), whose sum is σ = 34395383900160. Its totient is φ = 21923258860800.

The previous prime is 28030250500243. The next prime is 28030250500283. The reversal of 28030250500255 is 55200505203082.

It is not a de Polignac number, because 28030250500255 - 217 = 28030250369183 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 207331930 + ... + 207467080.

It is an arithmetic number, because the mean of its divisors is an integer number (1074855746880).

Almost surely, 228030250500255 is an apocalyptic number.

28030250500255 is a deficient number, since it is larger than the sum of its proper divisors (6365133399905).

28030250500255 is a wasteful number, since it uses less digits than its factorization.

28030250500255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139879.

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 28030250500255 in words is "twenty-eight trillion, thirty billion, two hundred fifty million, five hundred thousand, two hundred fifty-five".

Divisors: 1 5 67 137 335 685 4519 9179 22595 45895 135151 302773 619103 675755 1513865 3095515 9055117 18515687 41479901 45275585 92578435 207399505 610747369 1240551029 3053736845 6202755145 40920073723 83672389553 204600368615 418361947765 5606050100051 28030250500255