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2550805500828 = 2231353311992011
BaseRepresentation
bin100101000111100111110…
…110110001001110011100
3100000212002000120102020110
4211013213312301032130
5313243022202011303
65231453542250020
7352201224004164
oct45074766611634
910025060512213
102550805500828
118a3877229aa2
12352443726910
131567032ac770
148b6613a15a4
1546544067703
hex251e7db139c

2550805500828 has 96 divisors (see below), whose sum is σ = 6551659924992. Its totient is φ = 767577657600.

The previous prime is 2550805500827. The next prime is 2550805500869. The reversal of 2550805500828 is 8280055080552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2550805500823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2075343 + ... + 3067353.

It is an arithmetic number, because the mean of its divisors is an integer number (68246457552).

Almost surely, 22550805500828 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2550805500828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3275829962496).

2550805500828 is an abundant number, since it is smaller than the sum of its proper divisors (4000854424164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2550805500828 is a wasteful number, since it uses less digits than its factorization.

2550805500828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992395 (or 992393 counting only the distinct ones).

The product of its (nonzero) digits is 1280000, while the sum is 48.

The spelling of 2550805500828 in words is "two trillion, five hundred fifty billion, eight hundred five million, five hundred thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 12 13 26 39 52 53 78 106 156 159 212 311 318 622 636 689 933 1244 1378 1866 2067 2756 3732 4043 4134 8086 8268 12129 16172 16483 24258 32966 48516 49449 65932 98898 197796 214279 428558 642837 857116 992011 1285674 1984022 2571348 2976033 3968044 5952066 11904132 12896143 25792286 38688429 51584572 52576583 77376858 105153166 154753716 157729749 210306332 308515421 315459498 617030842 630918996 683495579 925546263 1234061684 1366991158 1851092526 2050486737 2733982316 3702185052 4010700473 4100973474 8021400946 8201946948 12032101419 16042801892 16351317313 24064202838 32702634626 48128405676 49053951939 65405269252 98107903878 196215807756 212567125069 425134250138 637701375207 850268500276 1275402750414 2550805500828