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115204140240 = 24357294750311
BaseRepresentation
bin110101101001010110…
…0111010110011010000
3102000100202220200200220
41223102230322303100
53341414224441430
6124531332313040
711215603014660
oct1532254726320
9360322820626
10115204140240
1144948808762
121a3b1772780
13ab2c732427
14580c4241a0
152ee3e25110
hex1ad2b3acd0

115204140240 has 320 divisors, whose sum is σ = 431218114560. Its totient is φ = 24882923520.

The previous prime is 115204140229. The next prime is 115204140251. The reversal of 115204140240 is 42041402511.

It is an interprime number because it is at equal distance from previous prime (115204140229) and next prime (115204140251).

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

It is a self number, because there is not a number n which added to its sum of digits gives 115204140240.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2264685 + ... + 2314995.

It is an arithmetic number, because the mean of its divisors is an integer number (1347556608).

Almost surely, 2115204140240 is an apocalyptic number.

115204140240 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 115204140240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215609057280).

115204140240 is an abundant number, since it is smaller than the sum of its proper divisors (316013974320).

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

115204140240 is a wasteful number, since it uses less digits than its factorization.

115204140240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50410 (or 50404 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 115204140240 its reverse (42041402511), we get a palindrome (157245542751).

The spelling of 115204140240 in words is "one hundred fifteen billion, two hundred four million, one hundred forty thousand, two hundred forty".