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397064229120 = 28345132173143
BaseRepresentation
bin1011100011100101101…
…11110101000100000000
31101221220002101202110000
411301302313311010000
523001141420312440
6502224144240000
740454423155146
oct5616267650400
91357802352400
10397064229120
11143437451279
1264b54010000
132b59b354a00
141530a319596
15a4ddce0730
hex5c72df5100

397064229120 has 2160 divisors, whose sum is σ = 1720615260672. Its totient is φ = 86951854080.

The previous prime is 397064229097. The next prime is 397064229179. The reversal of 397064229120 is 21922460793.

397064229120 is a `hidden beast` number, since 39 + 70 + 6 + 422 + 9 + 120 = 666.

It is a tau number, because it is divible by the number of its divisors (2160).

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

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 9234051819 + ... + 9234051861.

Almost surely, 2397064229120 is an apocalyptic number.

397064229120 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 397064229120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (860307630336).

397064229120 is an abundant number, since it is smaller than the sum of its proper divisors (1323551031552).

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

397064229120 is a wasteful number, since it uses less digits than its factorization.

397064229120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 397064229120 in words is "three hundred ninety-seven billion, sixty-four million, two hundred twenty-nine thousand, one hundred twenty".