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115203353430 = 235112831372791
BaseRepresentation
bin110101101001010100…
…1111010101101010110
3102000100201102201101210
41223102221322231112
53341414024302210
6124531303402250
711215563230034
oct1532251725526
9360321381353
10115203353430
1144948320600
121a3b1453386
13ab2c518269
14580c29b554
152ee3d1be20
hex1ad2a7ab56

115203353430 has 192 divisors, whose sum is σ = 309925937664. Its totient is φ = 27380390400.

The previous prime is 115203353411. The next prime is 115203353437. The reversal of 115203353430 is 34353302511.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115203353437) 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, 41275335 + ... + 41278125.

It is an arithmetic number, because the mean of its divisors is an integer number (1614197592).

Almost surely, 2115203353430 is an apocalyptic number.

115203353430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 115203353430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154962968832).

115203353430 is an abundant number, since it is smaller than the sum of its proper divisors (194722584234).

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

115203353430 is a wasteful number, since it uses less digits than its factorization.

115203353430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3043 (or 3032 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 115203353430 its reverse (34353302511), we get a palindrome (149556655941).

The spelling of 115203353430 in words is "one hundred fifteen billion, two hundred three million, three hundred fifty-three thousand, four hundred thirty".