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379886068865 = 51712893467221
BaseRepresentation
bin1011000011100101111…
…10010110010010000001
31100022112220122210121102
411201302332112102001
522211001313200430
6450303420504145
736305634210242
oct5416276262201
91308486583542
10379886068865
11137121867216
126175b0ab055
1329a91482c44
141455ab00cc9
159d35b75345
hex5872f96481

379886068865 has 16 divisors (see below), whose sum is σ = 483053369040. Its totient is φ = 285809879040.

The previous prime is 379886068843. The next prime is 379886068871. The reversal of 379886068865 is 568860688973.

It can be written as a sum of positive squares in 8 ways, for example, as 3107393536 + 376778675329 = 55744^2 + 613823^2 .

It is not a de Polignac number, because 379886068865 - 26 = 379886068801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 379886068792 and 379886068801.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1624046 + ... + 1843175.

It is an arithmetic number, because the mean of its divisors is an integer number (30190835565).

Almost surely, 2379886068865 is an apocalyptic number.

It is an amenable number.

379886068865 is a deficient number, since it is larger than the sum of its proper divisors (103167300175).

379886068865 is a wasteful number, since it uses less digits than its factorization.

379886068865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3468532.

The product of its (nonzero) digits is 836075520, while the sum is 74.

The spelling of 379886068865 in words is "three hundred seventy-nine billion, eight hundred eighty-six million, sixty-eight thousand, eight hundred sixty-five".

Divisors: 1 5 17 85 1289 6445 21913 109565 3467221 17336105 58942757 294713785 4469247869 22346239345 75977213773 379886068865