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5052581820 = 223351113591109
BaseRepresentation
bin1001011010010100…
…00100011110111100
3111001010022202021000
410231022010132330
540321430104240
62153210210300
7236131144146
oct45512043674
914033282230
105052581820
112163061560
12b90123990
13626a0c1b0
1435d06bc96
151e8891430
hex12d2847bc

5052581820 has 384 divisors, whose sum is σ = 18797184000. Its totient is φ = 1110481920.

The previous prime is 5052581791. The next prime is 5052581861. The reversal of 5052581820 is 281852505.

5052581820 is a `hidden beast` number, since 5 + 0 + 52 + 581 + 8 + 20 = 666.

It is a super-3 number, since 3×50525818203 (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4555426 + ... + 4556534.

It is an arithmetic number, because the mean of its divisors is an integer number (48951000).

Almost surely, 25052581820 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5052581820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9398592000).

5052581820 is an abundant number, since it is smaller than the sum of its proper divisors (13744602180).

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

5052581820 is a wasteful number, since it uses less digits than its factorization.

5052581820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210 (or 1202 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 36.

The square root of 5052581820 is about 71081.5153186818. The cubic root of 5052581820 is about 1715.9492992013.

The spelling of 5052581820 in words is "five billion, fifty-two million, five hundred eighty-one thousand, eight hundred twenty".