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320405242541425 = 5246936327305539
BaseRepresentation
bin100100011011010000010100…
…0101010100111010101110001
31120000110102221020202011100121
41020312200220222213111301
5313444004414042311200
63053240045244250241
7124326341412336226
oct11066405052472561
91500412836664317
10320405242541425
1193100111515918
122bb28823540981
13109a21141b62b2
1459199a721194d
1527097204a3e1a
hex1236828aa7571

320405242541425 has 12 divisors (see below), whose sum is σ = 397303361773360. Its totient is φ = 256323638535120.

The previous prime is 320405242541413. The next prime is 320405242541441. The reversal of 320405242541425 is 524145242504023.

It is not a de Polignac number, because 320405242541425 - 211 = 320405242539377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1918695 + ... + 25386844.

Almost surely, 2320405242541425 is an apocalyptic number.

It is an amenable number.

320405242541425 is a deficient number, since it is larger than the sum of its proper divisors (76898119231935).

320405242541425 is a wasteful number, since it uses less digits than its factorization.

320405242541425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27774912 (or 27774907 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 43.

The spelling of 320405242541425 in words is "three hundred twenty trillion, four hundred five billion, two hundred forty-two million, five hundred forty-one thousand, four hundred twenty-five".

Divisors: 1 5 25 469363 2346815 11734075 27305539 136527695 682638475 12816209701657 64081048508285 320405242541425