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103523030520 = 233571315760383
BaseRepresentation
bin110000001101001110…
…1000001010111111000
3100220012200211211120120
41200122131001113320
53144003343434040
6115320253453240
710323253145340
oct1403235012770
9326180754516
10103523030520
113a9a4063078
12180917a1220
1399ba6809a0
145020cd5d20
152a5d6957d0
hex181a7415f8

103523030520 has 256 divisors, whose sum is σ = 384679895040. Its totient is φ = 21702739968.

The previous prime is 103523030509. The next prime is 103523030539. The reversal of 103523030520 is 25030325301.

It is a happy number.

103523030520 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1684249 + ... + 1744631.

It is an arithmetic number, because the mean of its divisors is an integer number (1502655840).

Almost surely, 2103523030520 is an apocalyptic number.

103523030520 is a gapful number since it is divisible by the number (10) 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 103523030520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192339947520).

103523030520 is an abundant number, since it is smaller than the sum of its proper divisors (281156864520).

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

103523030520 is a wasteful number, since it uses less digits than its factorization.

103523030520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60574 (or 60570 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 24.

Adding to 103523030520 its reverse (25030325301), we get a palindrome (128553355821).

The spelling of 103523030520 in words is "one hundred three billion, five hundred twenty-three million, thirty thousand, five hundred twenty".