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398919093361 = 2322517705157
BaseRepresentation
bin1011100111000010110…
…11100100110001110001
31102010200100122121211121
411303201123210301301
523013441241441421
6503132204342241
740551405226465
oct5634133446161
91363610577747
10398919093361
111441a9479228
1265391244981
132b805714209
14154447d44a5
15a59ba84d41
hex5ce16e4c71

398919093361 has 8 divisors (see below), whose sum is σ = 416448379584. Its totient is φ = 381405222000.

The previous prime is 398919093337. The next prime is 398919093367. The reversal of 398919093361 is 163390919893.

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 398919093361 - 217 = 398918962289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 398919093361.

It is not an unprimeable number, because it can be changed into a prime (398919093367) 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, 3800806 + ... + 3904351.

It is an arithmetic number, because the mean of its divisors is an integer number (52056047448).

Almost surely, 2398919093361 is an apocalyptic number.

It is an amenable number.

398919093361 is a deficient number, since it is larger than the sum of its proper divisors (17529286223).

398919093361 is a wasteful number, since it uses less digits than its factorization.

398919093361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7707431.

The product of its (nonzero) digits is 8503056, while the sum is 61.

The spelling of 398919093361 in words is "three hundred ninety-eight billion, nine hundred nineteen million, ninety-three thousand, three hundred sixty-one".

Divisors: 1 23 2251 51773 7705157 177218611 17344308407 398919093361