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252375418218 = 237112611994091
BaseRepresentation
bin1110101100001010111…
…1110100010101101010
3220010102110212121022210
43223002233310111222
513113331101340333
6311534545025550
724143045442210
oct3530257642552
9803373777283
10252375418218
1198039387100
1240ab40252b6
131aa5024bac1
14c3020b2cb0
156871636a63
hex3ac2bf456a

252375418218 has 192 divisors, whose sum is σ = 647858534400. Its totient is φ = 64137744000.

The previous prime is 252375418201. The next prime is 252375418219. The reversal of 252375418218 is 812814573252.

It is not an unprimeable number, because it can be changed into a prime (252375418219) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 61688353 + ... + 61692443.

It is an arithmetic number, because the mean of its divisors is an integer number (3374263200).

Almost surely, 2252375418218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252375418218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323929267200).

252375418218 is an abundant number, since it is smaller than the sum of its proper divisors (395483116182).

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

252375418218 is a wasteful number, since it uses less digits than its factorization.

252375418218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4385 (or 4374 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 48.

The spelling of 252375418218 in words is "two hundred fifty-two billion, three hundred seventy-five million, four hundred eighteen thousand, two hundred eighteen".