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52897947500 = 2254191975653
BaseRepresentation
bin110001010000111101…
…101001111101101100
312001112112211011020202
4301100331221331230
51331313333310000
640145002333032
73551601064166
oct612075517554
9161475734222
1052897947500
112048556a992
12a3034ba178
134cb0272468
1427bb56d936
151598ecadd5
hexc50f69f6c

52897947500 has 120 divisors (see below), whose sum is σ = 122405255280. Its totient is φ = 19940256000.

The previous prime is 52897947499. The next prime is 52897947511. The reversal of 52897947500 is 574979825.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9354674 + ... + 9360326.

It is an arithmetic number, because the mean of its divisors is an integer number (1020043794).

Almost surely, 252897947500 is an apocalyptic number.

52897947500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52897947500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61202627640).

52897947500 is an abundant number, since it is smaller than the sum of its proper divisors (69507307780).

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

52897947500 is a wasteful number, since it uses less digits than its factorization.

52897947500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5893 (or 5876 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 56.

The spelling of 52897947500 in words is "fifty-two billion, eight hundred ninety-seven million, nine hundred forty-seven thousand, five hundred".

Divisors: 1 2 4 5 10 19 20 25 38 50 76 95 100 125 190 197 250 380 394 475 500 625 788 950 985 1250 1900 1970 2375 2500 3743 3940 4750 4925 5653 7486 9500 9850 11306 11875 14972 18715 19700 22612 23750 24625 28265 37430 47500 49250 56530 74860 93575 98500 107407 113060 123125 141325 187150 214814 246250 282650 374300 429628 467875 492500 537035 565300 706625 935750 1074070 1113641 1413250 1871500 2148140 2227282 2339375 2685175 2826500 3533125 4454564 4678750 5370350 5568205 7066250 9357500 10740700 11136410 13425875 14132500 21159179 22272820 26851750 27841025 42318358 53703500 55682050 67129375 84636716 105795895 111364100 134258750 139205125 211591790 268517500 278410250 423183580 528979475 556820500 696025625 1057958950 1392051250 2115917900 2644897375 2784102500 5289794750 10579589500 13224486875 26448973750 52897947500