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315103442200 = 235217612516053
BaseRepresentation
bin1001001010111011010…
…00001111010100011000
31010010100002201101110021
410211131220033110120
520130312440122300
6400431224200224
731523362031461
oct4453550172430
91103302641407
10315103442200
111116a8750a38
125109b609074
1323938c25161
1411372db1d68
1582e3607d1a
hex495da0f518

315103442200 has 192 divisors, whose sum is σ = 791699015520. Its totient is φ = 116198400000.

The previous prime is 315103442189. The next prime is 315103442201. The reversal of 315103442200 is 2244301513.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315103442201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52054374 + ... + 52060426.

Almost surely, 2315103442200 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 315103442200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (395849507760).

315103442200 is an abundant number, since it is smaller than the sum of its proper divisors (476595573320).

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

315103442200 is a wasteful number, since it uses less digits than its factorization.

315103442200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6398 (or 6389 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 315103442200 its reverse (2244301513), we get a palindrome (317347743713).

The spelling of 315103442200 in words is "three hundred fifteen billion, one hundred three million, four hundred forty-two thousand, two hundred".