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393143063040 = 293257131971139
BaseRepresentation
bin1011011100010010010…
…01110001001000000000
31101120202211000212210200
411232021021301020000
522420124111004130
6500335112125200
740255310620110
oct5561111611000
91346684025720
10393143063040
11141805012152
126423a996800
132b0c4b759b0
1415057647040
15a35e93d760
hex5b89271200

393143063040 has 1920 divisors, whose sum is σ = 1801684684800. Its totient is φ = 76918947840.

The previous prime is 393143063023. The next prime is 393143063087. The reversal of 393143063040 is 40360341393.

393143063040 is a `hidden beast` number, since 3 + 9 + 3 + 14 + 3 + 0 + 630 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1920).

It is a super-2 number, since 2×3931430630402 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 393143062986 and 393143063004.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2828367291 + ... + 2828367429.

It is an arithmetic number, because the mean of its divisors is an integer number (938377440).

Almost surely, 2393143063040 is an apocalyptic number.

393143063040 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 393143063040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (900842342400).

393143063040 is an abundant number, since it is smaller than the sum of its proper divisors (1408541621760).

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

393143063040 is a wasteful number, since it uses less digits than its factorization.

393143063040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 36.

The spelling of 393143063040 in words is "three hundred ninety-three billion, one hundred forty-three million, sixty-three thousand, forty".