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102503230144 = 2672414871637
BaseRepresentation
bin101111101110110101…
…0110010101011000000
3100210120121220121110021
41133131222302223000
53134411311331034
6115031143543224
710256061036400
oct1373552625300
9323517817407
10102503230144
113a520445a47
1217a4815ab14
139887300203
144d656b2800
1529edda26b4
hex17ddab2ac0

102503230144 has 168 divisors, whose sum is σ = 243030951072. Its totient is φ = 42744360960.

The previous prime is 102503230139. The next prime is 102503230187. The reversal of 102503230144 is 441032305201.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62615694 + ... + 62617330.

It is an arithmetic number, because the mean of its divisors is an integer number (1446612804).

Almost surely, 2102503230144 is an apocalyptic number.

102503230144 is a gapful number since it is divisible by the number (14) 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 102503230144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121515475536).

102503230144 is an abundant number, since it is smaller than the sum of its proper divisors (140527720928).

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

102503230144 is a wasteful number, since it uses less digits than its factorization.

102503230144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2191 (or 2174 counting only the distinct ones).

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

Adding to 102503230144 its reverse (441032305201), we get a palindrome (543535535345).

The spelling of 102503230144 in words is "one hundred two billion, five hundred three million, two hundred thirty thousand, one hundred forty-four".