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12500763132500 = 225434331456541
BaseRepresentation
bin1011010111101000111110…
…0010111100001001010100
31122021001122200020222000122
42311322033202330021110
53114303030330220000
642330434333531112
72430102364265066
oct265721742741124
948231580228018
1012500763132500
113a8a5a8992015
12149a894343a98
136c8a80982746
1431307c2d1736
1516a290a47085
hexb5e8f8bc254

12500763132500 has 60 divisors (see below), whose sum is σ = 27344650501476. Its totient is φ = 4998845280000.

The previous prime is 12500763132457. The next prime is 12500763132503. The reversal of 12500763132500 is 523136700521.

It can be written as a sum of positive squares in 10 ways, for example, as 11675492631364 + 825270501136 = 3416942^2 + 908444^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12500763132503) 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 19 ways as a sum of consecutive naturals, for example, 7854230 + ... + 9310770.

Almost surely, 212500763132500 is an apocalyptic number.

12500763132500 is a gapful number since it is divisible by the number (10) 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 12500763132500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13672325250738).

12500763132500 is an abundant number, since it is smaller than the sum of its proper divisors (14843887368976).

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

12500763132500 is a wasteful number, since it uses less digits than its factorization.

12500763132500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459998 (or 1459981 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The spelling of 12500763132500 in words is "twelve trillion, five hundred billion, seven hundred sixty-three million, one hundred thirty-two thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 625 1250 2500 3433 6866 13732 17165 34330 68660 85825 171650 343300 429125 858250 1456541 1716500 2145625 2913082 4291250 5826164 7282705 8582500 14565410 29130820 36413525 72827050 145654100 182067625 364135250 728270500 910338125 1820676250 3641352500 5000305253 10000610506 20001221012 25001526265 50003052530 100006105060 125007631325 250015262650 500030525300 625038156625 1250076313250 2500152626500 3125190783125 6250381566250 12500763132500