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371384457993 = 3241264939777
BaseRepresentation
bin1010110011110000011…
…11010001101100001001
31022111121102101012221200
411121320033101230021
522041043410123433
6442340041454413
735555152543563
oct5317017215411
91274542335850
10371384457993
1113355993212a
125bb87aa1409
1329038042773
1413d91982333
1599d95e4613
hex56783d1b09

371384457993 has 6 divisors (see below), whose sum is σ = 536444217114. Its totient is φ = 247589638656.

The previous prime is 371384457973. The next prime is 371384458021. The reversal of 371384457993 is 399754483173.

It is a happy number.

371384457993 is a `hidden beast` number, since 3 + 7 + 1 + 38 + 445 + 79 + 93 = 666.

It can be written as a sum of positive squares in only one way, i.e., 345024662544 + 26359795449 = 587388^2 + 162357^2 .

It is not a de Polignac number, because 371384457993 - 26 = 371384457929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 371384457993.

It is not an unprimeable number, because it can be changed into a prime (371384457973) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 20632469880 + ... + 20632469897.

It is an arithmetic number, because the mean of its divisors is an integer number (89407369519).

Almost surely, 2371384457993 is an apocalyptic number.

It is an amenable number.

371384457993 is a deficient number, since it is larger than the sum of its proper divisors (165059759121).

371384457993 is a wasteful number, since it uses less digits than its factorization.

371384457993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41264939783 (or 41264939780 counting only the distinct ones).

The product of its digits is 68584320, while the sum is 63.

The spelling of 371384457993 in words is "three hundred seventy-one billion, three hundred eighty-four million, four hundred fifty-seven thousand, nine hundred ninety-three".

Divisors: 1 3 9 41264939777 123794819331 371384457993