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385503148800 = 28335272114139
BaseRepresentation
bin1011001110000011100…
…01110011101100000000
31100212001101012000201000
411213001301303230000
522304002301230200
6453033034212000
736565061461500
oct5470161635400
91325041160630
10385503148800
11139544528540
1262868284000
132a47810a693
1414930b13a00
15a063d70300
hex59c1c73b00

385503148800 has 1296 divisors, whose sum is σ = 1794316406400. Its totient is φ = 80085196800.

The previous prime is 385503148711. The next prime is 385503148817. The reversal of 385503148800 is 8841305583.

385503148800 is a `hidden beast` number, since 3 + 8 + 550 + 3 + 14 + 8 + 80 + 0 = 666.

It is a super-2 number, since 2×3855031488002 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 143 ways as a sum of consecutive naturals, for example, 93137131 + ... + 93141269.

It is an arithmetic number, because the mean of its divisors is an integer number (1384503400).

Almost surely, 2385503148800 is an apocalyptic number.

385503148800 is a gapful number since it is divisible by the number (30) 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 385503148800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (897158203200).

385503148800 is an abundant number, since it is smaller than the sum of its proper divisors (1408813257600).

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

385503148800 is a wasteful number, since it uses less digits than its factorization.

385503148800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4199 (or 4167 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The spelling of 385503148800 in words is "three hundred eighty-five billion, five hundred three million, one hundred forty-eight thousand, eight hundred".