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52004340000 = 253254288913
BaseRepresentation
bin110000011011101100…
…110100000100100000
311222020021100012012200
4300123230310010200
51323001102340000
635520201253200
73520500411414
oct603354640440
9158207305180
1052004340000
1120067104398
12a0b4194200
134b9a0a6622
1427349d8d44
151545813500
hexc1bb34120

52004340000 has 180 divisors, whose sum is σ = 184800662046. Its totient is φ = 13867776000.

The previous prime is 52004339999. The next prime is 52004340001. The reversal of 52004340000 is 4340025.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (52004339999) and next prime (52004340001).

It can be written as a sum of positive squares in 5 ways, for example, as 364504464 + 51639835536 = 19092^2 + 227244^2 .

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52004340001) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 35544 + ... + 324456.

Almost surely, 252004340000 is an apocalyptic number.

52004340000 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 52004340000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92400331023).

52004340000 is an abundant number, since it is smaller than the sum of its proper divisors (132796322046).

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

52004340000 is a wasteful number, since it uses less digits than its factorization.

52004340000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288949 (or 288923 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

Adding to 52004340000 its reverse (4340025), we get a palindrome (52008680025).

The spelling of 52004340000 in words is "fifty-two billion, four million, three hundred forty thousand".