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13200187500 = 22325631757
BaseRepresentation
bin11000100101100101…
…01110000001101100
31021001221111000002100
430102302232001230
5204013222000000
610021501455100
7645053512443
oct142262560154
937057430070
1013200187500
115664186275
122684871490
1313249c3446
148d3199d5a
15523ce6a00
hex312cae06c

13200187500 has 252 divisors, whose sum is σ = 43110698176. Its totient is φ = 3402000000.

The previous prime is 13200187493. The next prime is 13200187529. The reversal of 13200187500 is 578100231.

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 17437122 + ... + 17437878.

Almost surely, 213200187500 is an apocalyptic number.

13200187500 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 13200187500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21555349088).

13200187500 is an abundant number, since it is smaller than the sum of its proper divisors (29910510676).

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

13200187500 is an equidigital number, since it uses as much as digits as its factorization.

13200187500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828 (or 798 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

Adding to 13200187500 its reverse (578100231), we get a palindrome (13778287731).

The spelling of 13200187500 in words is "thirteen billion, two hundred million, one hundred eighty-seven thousand, five hundred".