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19823793504928 = 257731212316139
BaseRepresentation
bin1001000000111100101100…
…01010111000001010100000
32121012010200020212002212121
410200132112022320022200
510044243112114124203
6110054531445234024
74114136040356620
oct440362612701240
977163606762777
1019823793504928
1163532506a02a6
122281b98402914
13b0a4b657147a
144c76961c2880
152459e07140bd
hex1207962b82a0

19823793504928 has 48 divisors (see below), whose sum is σ = 45214542757440. Its totient is φ = 8379529145856.

The previous prime is 19823793504901. The next prime is 19823793504989. The reversal of 19823793504928 is 82940539732891.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606141718 + ... + 606174421.

It is an arithmetic number, because the mean of its divisors is an integer number (941969640780).

Almost surely, 219823793504928 is an apocalyptic number.

It is an amenable number.

19823793504928 is an abundant number, since it is smaller than the sum of its proper divisors (25390749252512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19823793504928 is a wasteful number, since it uses less digits than its factorization.

19823793504928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212316229 (or 1212316221 counting only the distinct ones).

The product of its (nonzero) digits is 235146240, while the sum is 70.

The spelling of 19823793504928 in words is "nineteen trillion, eight hundred twenty-three billion, seven hundred ninety-three million, five hundred four thousand, nine hundred twenty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 73 112 146 224 292 511 584 1022 1168 2044 2336 4088 8176 16352 1212316139 2424632278 4849264556 8486212973 9698529112 16972425946 19397058224 33944851892 38794116448 67889703784 88499078147 135779407568 176998156294 271558815136 353996312588 619493547029 707992625176 1238987094058 1415985250352 2477974188116 2831970500704 4955948376232 9911896752464 19823793504928