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30707277660 = 22335113503233
BaseRepresentation
bin11100100110010010…
…111101111101011100
32221021001011022221000
4130212102331331130
51000342030341120
622035015310300
72134645360563
oct344622757534
987231138830
1030707277660
1112028504224
125b4b97b390
132b84a81ba7
1416b4358bda
15beac87990
hex7264bdf5c

30707277660 has 96 divisors (see below), whose sum is σ = 96379375680. Its totient is φ = 8116125696.

The previous prime is 30707277637. The next prime is 30707277673. The reversal of 30707277660 is 6677270703.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190597 + ... + 312636.

It is an arithmetic number, because the mean of its divisors is an integer number (1003951830).

Almost surely, 230707277660 is an apocalyptic number.

30707277660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30707277660 is an abundant number, since it is smaller than the sum of its proper divisors (65672098020).

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

30707277660 is a wasteful number, since it uses less digits than its factorization.

30707277660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503364 (or 503356 counting only the distinct ones).

The product of its (nonzero) digits is 518616, while the sum is 45.

The spelling of 30707277660 in words is "thirty billion, seven hundred seven million, two hundred seventy-seven thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 113 135 180 226 270 339 452 540 565 678 1017 1130 1356 1695 2034 2260 3051 3390 4068 5085 6102 6780 10170 12204 15255 20340 30510 61020 503233 1006466 1509699 2012932 2516165 3019398 4529097 5032330 6038796 7548495 9058194 10064660 13587291 15096990 18116388 22645485 27174582 30193980 45290970 54349164 56865329 67936455 90581940 113730658 135872910 170595987 227461316 271745820 284326645 341191974 511787961 568653290 682383948 852979935 1023575922 1137306580 1535363883 1705959870 2047151844 2558939805 3070727766 3411919740 5117879610 6141455532 7676819415 10235759220 15353638830 30707277660