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53125232000 = 27537394493
BaseRepresentation
bin110001011110100000…
…101011010110000000
312002010101111101222012
4301132200223112000
51332300024411000
640223322032052
73560331010211
oct613640532600
9162111441865
1053125232000
1120591899115
12a367648628
135018390729
1427dd815408
1515ade24735
hexc5e82b580

53125232000 has 128 divisors (see below), whose sum is σ = 132290776800. Its totient is φ = 21216614400.

The previous prime is 53125231981. The next prime is 53125232003. The reversal of 53125232000 is 23252135.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53125232003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11821754 + ... + 11826246.

Almost surely, 253125232000 is an apocalyptic number.

53125232000 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 53125232000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66145388400).

53125232000 is an abundant number, since it is smaller than the sum of its proper divisors (79165544800).

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

53125232000 is an equidigital number, since it uses as much as digits as its factorization.

53125232000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5261 (or 5239 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

Adding to 53125232000 its reverse (23252135), we get a palindrome (53148484135).

The spelling of 53125232000 in words is "fifty-three billion, one hundred twenty-five million, two hundred thirty-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 320 400 500 640 739 800 1000 1478 1600 2000 2956 3200 3695 4000 4493 5912 7390 8000 8986 11824 14780 16000 17972 18475 22465 23648 29560 35944 36950 44930 47296 59120 71888 73900 89860 92375 94592 112325 118240 143776 147800 179720 184750 224650 236480 287552 295600 359440 369500 449300 472960 561625 575104 591200 718880 739000 898600 1123250 1182400 1437760 1478000 1797200 2246500 2364800 2875520 2956000 3320327 3594400 4493000 5912000 6640654 7188800 8986000 11824000 13281308 14377600 16601635 17972000 26562616 33203270 35944000 53125232 66406540 71888000 83008175 106250464 132813080 166016350 212500928 265626160 332032700 415040875 425001856 531252320 664065400 830081750 1062504640 1328130800 1660163500 2125009280 2656261600 3320327000 5312523200 6640654000 10625046400 13281308000 26562616000 53125232000