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19480114857 = 37192832373
BaseRepresentation
bin10010001001000110…
…101111011010101001
31212021121021100220110
4102021012233122221
5304343402133412
612540554244533
71256510146530
oct221106573251
955247240813
1019480114857
118297020685
123937a26749
131ab5a7c7a8
14d2b235317
157902c5d3c
hex4891af6a9

19480114857 has 72 divisors (see below), whose sum is σ = 31795541184. Its totient is φ = 10390638528.

The previous prime is 19480114817. The next prime is 19480114879. The reversal of 19480114857 is 75841108491.

It is not a de Polignac number, because 19480114857 - 220 = 19479066281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19480114817) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 52225323 + ... + 52225695.

Almost surely, 219480114857 is an apocalyptic number.

It is an amenable number.

19480114857 is a deficient number, since it is larger than the sum of its proper divisors (12315426327).

19480114857 is an equidigital number, since it uses as much as digits as its factorization.

19480114857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 48.

The spelling of 19480114857 in words is "nineteen billion, four hundred eighty million, one hundred fourteen thousand, eight hundred fifty-seven".

Divisors: 1 3 7 19 21 57 83 133 249 361 373 399 581 1083 1119 1577 1743 2527 2611 4731 6889 7087 7581 7833 11039 20667 21261 29963 30959 33117 48223 49609 89889 92877 130891 134653 144669 148827 209741 216713 392673 403959 588221 629223 650139 916237 942571 1764663 2486929 2569597 2748711 2827713 4117547 7460787 7708791 11176199 12352641 17408503 17987179 33528597 48822343 52225509 53961537 78233393 146467029 234700179 341756401 927624517 1025269203 2782873551 6493371619 19480114857