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378285183612 = 22347240995813
BaseRepresentation
bin1011000000100111000…
…11011101001001111100
31100011102100022101220000
411200103203131021330
522144212001333422
6445440512154300
736221155002300
oct5402343351174
91304370271800
10378285183612
11136480140456
1261392b38990
13298978ca26b
1414448259d00
159c9034dcac
hex58138dd27c

378285183612 has 180 divisors, whose sum is σ = 1150845834600. Its totient is φ = 108036524736.

The previous prime is 378285183607. The next prime is 378285183667. The reversal of 378285183612 is 216381582873.

378285183612 is a `hidden beast` number, since 3 + 7 + 8 + 2 + 8 + 5 + 18 + 3 + 612 = 666.

It is a super-3 number, since 3×3782851836123 (a number of 36 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 59 ways as a sum of consecutive naturals, for example, 65072818 + ... + 65078630.

It is an arithmetic number, because the mean of its divisors is an integer number (6393587970).

Almost surely, 2378285183612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 378285183612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (575422917300).

378285183612 is an abundant number, since it is smaller than the sum of its proper divisors (772560650988).

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

378285183612 is a wasteful number, since it uses less digits than its factorization.

378285183612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9942 (or 9924 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 54.

The spelling of 378285183612 in words is "three hundred seventy-eight billion, two hundred eighty-five million, one hundred eighty-three thousand, six hundred twelve".