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53111530224 = 2435193971811
BaseRepresentation
bin110001011101101100…
…011010001011110000
312002002102201021200000
4301131230122023300
51332233022431344
640222112230000
73560103362304
oct613554321360
9162072637600
1053111530224
112058508a835
12a362b3b300
1350155a3c7c
1427dba89d04
1515acb19a69
hexc5db1a2f0

53111530224 has 240 divisors, whose sum is σ = 162754999680. Its totient is φ = 16720577280.

The previous prime is 53111530223. The next prime is 53111530247. The reversal of 53111530224 is 42203511135.

53111530224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53111530223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29326279 + ... + 29328089.

It is an arithmetic number, because the mean of its divisors is an integer number (678145832).

Almost surely, 253111530224 is an apocalyptic number.

53111530224 is a gapful number since it is divisible by the number (54) 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 53111530224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81377499840).

53111530224 is an abundant number, since it is smaller than the sum of its proper divisors (109643469456).

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

53111530224 is a wasteful number, since it uses less digits than its factorization.

53111530224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250 (or 2232 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 53111530224 in words is "fifty-three billion, one hundred eleven million, five hundred thirty thousand, two hundred twenty-four".