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53113203541200 = 243521137423125703
BaseRepresentation
bin11000001001110011000011…
…01000010100010011010000
320222001120110110212021100010
430010321201220110103100
523430201320101304300
6304543511401354520
714121205461045015
oct1404714150242320
9228046413767303
1053113203541200
1115a18201816890
125b59840498a40
13238372735b38a
14d1899ad5170c
156218e2848a50
hex304e61a144d0

53113203541200 has 480 divisors, whose sum is σ = 190675367995392. Its totient is φ = 12524481792000.

The previous prime is 53113203541187. The next prime is 53113203541201. The reversal of 53113203541200 is 214530231135.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53113203541201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2066407549 + ... + 2066433251.

Almost surely, 253113203541200 is an apocalyptic number.

53113203541200 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 53113203541200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95337683997696).

53113203541200 is an abundant number, since it is smaller than the sum of its proper divisors (137562164454192).

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

53113203541200 is a wasteful number, since it uses less digits than its factorization.

53113203541200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30003 (or 29992 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 53113203541200 its reverse (214530231135), we get a palindrome (53327733772335).

The spelling of 53113203541200 in words is "fifty-three trillion, one hundred thirteen billion, two hundred three million, five hundred forty-one thousand, two hundred".