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16830514455001 = 1324124321792
BaseRepresentation
bin1111010011101010100011…
…0101011110000111011001
32012120222111111020110200021
43310322220311132013121
54201222343200030001
655443455343110441
73354651560266252
oct364725065360731
965528444213607
1016830514455001
1153a9865703915
121a79a492a2421
139511592a3400
1442285bb67b29
151e2c01067ba1
hexf4ea8d5e1d9

16830514455001 has 81 divisors (see below), whose sum is σ = 19232068450077. Its totient is φ = 14721742788480.

The previous prime is 16830514454981. The next prime is 16830514455017. The reversal of 16830514455001 is 10055441503861.

It is a happy number.

The square root of 16830514455001 is 4102501.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 11210409758025 + 5620104696976 = 3348195^2 + 2370676^2 .

It is not a de Polignac number, because 16830514455001 - 215 = 16830514422233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16830514458001) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 94025220330 + ... + 94025220508.

Almost surely, 216830514455001 is an apocalyptic number.

16830514455001 is the 4102501-st square number.

16830514455001 is the 2051251-st centered octagonal number.

It is an amenable number.

16830514455001 is a deficient number, since it is larger than the sum of its proper divisors (2401553995076).

16830514455001 is an frugal number, since it uses more digits than its factorization.

16830514455001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 43.

Adding to 16830514455001 its reverse (10055441503861), we get a palindrome (26885955958862).

The spelling of 16830514455001 in words is "sixteen trillion, eight hundred thirty billion, five hundred fourteen million, four hundred fifty-five thousand, one".

Divisors: 1 13 41 43 169 179 533 559 1681 1763 1849 2327 6929 7267 7339 7697 21853 22919 24037 30251 32041 72283 75809 95407 100061 284089 297947 300899 312481 315577 330971 416533 939679 985517 1240291 1300793 1313681 1377763 3108169 3911687 4102501 4302623 5414929 12215827 12811721 12938657 13569811 17077853 17910919 40406197 50851931 53332513 53860921 55934099 56488283 59243809 168202541 176407543 222012089 232841947 525280561 556362251 700191973 734347679 770169517 2186633033 2293298059 2316019603 2428996169 7232709263 9102495649 9546519827 10012203721 30108254839 31576950197 94025220419 99588842929 391407312907 410500352561 1294654958077 16830514455001