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397841505148793 = 8334913734301279
BaseRepresentation
bin101101001110101011011000…
…1100101110101111101111001
31221011122021110112101121011102
41122131112301211311331321
5404121213400304230133
63530045510411141145
7146541046242262046
oct13235266145657571
91834567415347142
10397841505148793
111058456a8a4a282
12387544231447b5
13140cb3a6822774
1470358bb1281cd
1530edb858c87e8
hex169d5b1975f79

397841505148793 has 8 divisors (see below), whose sum is σ = 403788457632000. Its totient is φ = 391922021269008.

The previous prime is 397841505148783. The next prime is 397841505148811.

It is a happy number.

397841505148793 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 397841505148793 - 28 = 397841505148537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 397841505148793.

It is not an unprimeable number, because it can be changed into a prime (397841505148783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6867121673 + ... + 6867179606.

It is an arithmetic number, because the mean of its divisors is an integer number (50473557204000).

Almost surely, 2397841505148793 is an apocalyptic number.

It is an amenable number.

397841505148793 is a deficient number, since it is larger than the sum of its proper divisors (5946952483207).

397841505148793 is a wasteful number, since it uses less digits than its factorization.

397841505148793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13734301711.

The product of its (nonzero) digits is 914457600, while the sum is 74.

The spelling of 397841505148793 in words is "three hundred ninety-seven trillion, eight hundred forty-one billion, five hundred five million, one hundred forty-eight thousand, seven hundred ninety-three".

Divisors: 1 83 349 28967 13734301279 1139947006157 4793271146371 397841505148793