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52121124343 = 236795335491
BaseRepresentation
bin110000100010101010…
…010011110111110111
311222112102002110012201
4300202222103313313
51323221001434333
635535532325331
73523416150511
oct604252236767
9158472073181
1052121124343
112011701a182
12a127313847
134bb83459a2
142746318bb1
151550bd117d
hexc22a93df7

52121124343 has 16 divisors (see below), whose sum is σ = 55258488576. Its totient is φ = 49057968960.

The previous prime is 52121124329. The next prime is 52121124427. The reversal of 52121124343 is 34342112125.

It is a cyclic number.

It is not a de Polignac number, because 52121124343 - 229 = 51584253431 is a prime.

It is a super-2 number, since 2×521211243432 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52121124323) 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, 1450828 + ... + 1486318.

It is an arithmetic number, because the mean of its divisors is an integer number (3453655536).

Almost surely, 252121124343 is an apocalyptic number.

52121124343 is a deficient number, since it is larger than the sum of its proper divisors (3137364233).

52121124343 is a wasteful number, since it uses less digits than its factorization.

52121124343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36534.

The product of its digits is 5760, while the sum is 28.

Adding to 52121124343 its reverse (34342112125), we get a palindrome (86463236468).

The spelling of 52121124343 in words is "fifty-two billion, one hundred twenty-one million, one hundred twenty-four thousand, three hundred forty-three".

Divisors: 1 23 67 953 1541 21919 35491 63851 816293 1468573 2377897 33822923 54691631 777927229 2266135841 52121124343