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53000325751 = 192789490829
BaseRepresentation
bin110001010111000100…
…001100101001110111
312001210200110111210211
4301113010030221313
51332021040411001
640203100530251
73554253223102
oct612704145167
9161720414724
1053000325751
112052833620a
12a331850987
134cc85395c9
1427cadbd739
1515a2ea0351
hexc5710ca77

53000325751 has 4 divisors (see below), whose sum is σ = 55789816600. Its totient is φ = 50210834904.

The previous prime is 53000325671. The next prime is 53000325787. The reversal of 53000325751 is 15752300035.

53000325751 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15752300035 = 53150460007.

It is a cyclic number.

It is not a de Polignac number, because 53000325751 - 233 = 44410391159 is a prime.

It is a super-2 number, since 2×530003257512 (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 (53000725751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1394745396 + ... + 1394745433.

It is an arithmetic number, because the mean of its divisors is an integer number (13947454150).

Almost surely, 253000325751 is an apocalyptic number.

53000325751 is a deficient number, since it is larger than the sum of its proper divisors (2789490849).

53000325751 is a wasteful number, since it uses less digits than its factorization.

53000325751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2789490848.

The product of its (nonzero) digits is 15750, while the sum is 31.

Adding to 53000325751 its reverse (15752300035), we get a palindrome (68752625786).

The spelling of 53000325751 in words is "fifty-three billion, three hundred twenty-five thousand, seven hundred fifty-one".

Divisors: 1 19 2789490829 53000325751