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52104404000 = 25531110311497
BaseRepresentation
bin110000100001101010…
…100001110000100000
311222111020121222012202
4300201222201300200
51323202211412000
635534134112332
73523124061245
oct604152416040
9158436558182
1052104404000
1120108639a10
12a1217ab6a8
134bb4a402ac
1427440055cc
15154e4cbdd5
hexc21aa1c20

52104404000 has 192 divisors, whose sum is σ = 141026925312. Its totient is φ = 18761472000.

The previous prime is 52104403999. The next prime is 52104404041. The reversal of 52104404000 is 40440125.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4526252 + ... + 4537748.

It is an arithmetic number, because the mean of its divisors is an integer number (734515236).

Almost surely, 252104404000 is an apocalyptic number.

52104404000 is a gapful number since it is divisible by the number (50) 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 52104404000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70513462656).

52104404000 is an abundant number, since it is smaller than the sum of its proper divisors (88922521312).

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

52104404000 is a wasteful number, since it uses less digits than its factorization.

52104404000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11636 (or 11618 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 52104404000 its reverse (40440125), we get a palindrome (52144844125).

The spelling of 52104404000 in words is "fifty-two billion, one hundred four million, four hundred four thousand".