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3030905061 = 3417193137101
BaseRepresentation
bin1011010010100111…
…1111000011100101
321211020011221010000
42310221333003211
522201402430221
61220430451513
7135052160622
oct26451770345
97736157100
103030905061
111315959918
12707063b99
13393c15462
1420a76d349
1512b14ae26
hexb4a7f0e5

3030905061 has 160 divisors (see below), whose sum is σ = 5402833920. Its totient is φ = 1679616000.

The previous prime is 3030905047. The next prime is 3030905077. The reversal of 3030905061 is 1605090303.

It is not a de Polignac number, because 3030905061 - 214 = 3030888677 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3030905021) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 30008911 + ... + 30009011.

It is an arithmetic number, because the mean of its divisors is an integer number (33767712).

Almost surely, 23030905061 is an apocalyptic number.

3030905061 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3030905061 is a deficient number, since it is larger than the sum of its proper divisors (2371928859).

3030905061 is a wasteful number, since it uses less digits than its factorization.

3030905061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 3030905061 is about 55053.6562001108. The cubic root of 3030905061 is about 1447.1851950376.

Adding to 3030905061 its reverse (1605090303), we get a palindrome (4635995364).

The spelling of 3030905061 in words is "three billion, thirty million, nine hundred five thousand, sixty-one".

Divisors: 1 3 9 17 19 27 31 37 51 57 81 93 101 111 153 171 279 303 323 333 459 513 527 589 629 703 837 909 969 999 1147 1377 1539 1581 1717 1767 1887 1919 2109 2511 2727 2907 2997 3131 3441 3737 4743 5151 5301 5661 5757 6327 8181 8721 9393 10013 10323 11211 11951 14229 15453 15903 16983 17271 18981 19499 21793 26163 28179 30039 30969 32623 33633 35853 42687 46359 47709 50949 51813 53227 56943 58497 59489 63529 65379 71003 84537 90117 92907 97869 100899 107559 115847 139077 155439 159681 175491 178467 190587 196137 213009 253611 270351 293607 302697 322677 347541 370481 479043 526473 535401 571761 588411 639027 811053 880821 968031 1011313 1042623 1111443 1207051 1437129 1579419 1606203 1715283 1765233 1917081 1969399 2201093 2642463 3033939 3127869 3334329 3621153 4311387 4818609 5145849 5751243 5908197 6603279 9101817 9383607 10002987 10863459 17724591 19809837 27305451 30008961 32590377 37418581 53173773 59429511 81916353 97771131 112255743 159521319 178288533 336767229 1010301687 3030905061