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30661654067460 = 2232513103127216223
BaseRepresentation
bin1101111100010111110001…
…11111111011100100000100
311000120020002101112221201100
412332023320333323210010
513004330031420124320
6145113434110100100
76313142241230103
oct676137077734404
9130506071487640
1030661654067460
119851597412009
123532525aaa630
1314154c6410280
14780063a5003a
153828a76c8790
hex1be2f8ffb904

30661654067460 has 144 divisors (see below), whose sum is σ = 101133844890624. Its totient is φ = 7474207474944.

The previous prime is 30661654067431. The next prime is 30661654067461. The reversal of 30661654067460 is 6476045616603.

30661654067460 is a `hidden beast` number, since 3 + 0 + 6 + 6 + 165 + 406 + 74 + 6 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 30661654067397 and 30661654067406.

It is not an unprimeable number, because it can be changed into a prime (30661654067461) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 63367092 + ... + 63849131.

It is an arithmetic number, because the mean of its divisors is an integer number (702318367296).

Almost surely, 230661654067460 is an apocalyptic number.

30661654067460 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30661654067460 is an abundant number, since it is smaller than the sum of its proper divisors (70472190823164).

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

30661654067460 is a wasteful number, since it uses less digits than its factorization.

30661654067460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127216354 (or 127216349 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 54.

The spelling of 30661654067460 in words is "thirty trillion, six hundred sixty-one billion, six hundred fifty-four million, sixty-seven thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 13 15 18 20 26 30 36 39 45 52 60 65 78 90 103 117 130 156 180 195 206 234 260 309 390 412 468 515 585 618 780 927 1030 1170 1236 1339 1545 1854 2060 2340 2678 3090 3708 4017 4635 5356 6180 6695 8034 9270 12051 13390 16068 18540 20085 24102 26780 40170 48204 60255 80340 120510 241020 127216223 254432446 381648669 508864892 636081115 763297338 1144946007 1272162230 1526594676 1653810899 1908243345 2289892014 2544324460 3307621798 3816486690 4579784028 4961432697 5724730035 6615243596 7632973380 8269054495 9922865394 11449460070 13103270969 14884298091 16538108990 19845730788 22898920140 24807163485 26206541938 29768596182 33076217980 39309812907 49614326970 52413083876 59537192364 65516354845 74421490455 78619625814 99228653940 117929438721 131032709690 148842980910 157239251628 170342522597 196549064535 235858877442 262065419380 297685961820 340685045194 393098129070 471717754884 511027567791 589647193605 681370090388 786196258140 851712612985 1022055135582 1179294387210 1533082703373 1703425225970 2044110271164 2358588774420 2555137838955 3066165406746 3406850451940 5110275677910 6132330813492 7665413516865 10220551355820 15330827033730 30661654067460