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20386231252496 = 246179309263369
BaseRepresentation
bin1001010001010100010100…
…00100100111011000010000
32200011220102111201000212022
410220222022010213120100
510133002000200034441
6111205145542151012
74202566546344614
oct450521204473020
980156374630768
1020386231252496
11654a83008a66a
122352ba3722468
13b4b54b1c05b5
145069ad943344
1525545caca84b
hex128a8a127610

20386231252496 has 40 divisors (see below), whose sum is σ = 40146495173400. Its totient is φ = 10025850885120.

The previous prime is 20386231252463. The next prime is 20386231252523. The reversal of 20386231252496 is 69425213268302.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7413988362496 + 12972242890000 = 2722864^2 + 3601700^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77273900 + ... + 77537268.

It is an arithmetic number, because the mean of its divisors is an integer number (1003662379335).

Almost surely, 220386231252496 is an apocalyptic number.

It is an amenable number.

20386231252496 is a deficient number, since it is larger than the sum of its proper divisors (19760263920904).

20386231252496 is a wasteful number, since it uses less digits than its factorization.

20386231252496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342747 (or 342741 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 53.

The spelling of 20386231252496 in words is "twenty trillion, three hundred eighty-six billion, two hundred thirty-one million, two hundred fifty-two thousand, four hundred ninety-six".

Divisors: 1 2 4 8 16 61 122 244 488 976 79309 158618 263369 317236 526738 634472 1053476 1268944 2106952 4213904 4837849 9675698 16065509 19351396 32131018 38702792 64262036 77405584 128524072 257048144 20887532021 41775064042 83550128084 167100256168 334200512336 1274139453281 2548278906562 5096557813124 10193115626248 20386231252496