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52221892580 = 2251113315031171
BaseRepresentation
bin110000101000101010…
…101101011111100100
311222210102201000020122
4300220222231133210
51323422301030310
635553532221112
73526051522454
oct605052553744
9158712630218
1052221892580
1120168995910
12a15500a798
134c03198070
142755869d64
151559988555
hexc28aad7e4

52221892580 has 192 divisors, whose sum is σ = 133372624896. Its totient is φ = 16915392000.

The previous prime is 52221892579. The next prime is 52221892589. The reversal of 52221892580 is 8529812225.

52221892580 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 (44).

It is not an unprimeable number, because it can be changed into a prime (52221892589) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 44595395 + ... + 44596565.

It is an arithmetic number, because the mean of its divisors is an integer number (694649088).

Almost surely, 252221892580 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 52221892580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66686312448).

52221892580 is an abundant number, since it is smaller than the sum of its proper divisors (81150732316).

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

52221892580 is a wasteful number, since it uses less digits than its factorization.

52221892580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738 (or 1736 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 44.

The spelling of 52221892580 in words is "fifty-two billion, two hundred twenty-one million, eight hundred ninety-two thousand, five hundred eighty".