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30525342666 = 23713197283793
BaseRepresentation
bin11100011011011100…
…111100001111001010
32220210100211002000220
4130123130330033022
51000003441431131
622005000010510
72130306063060
oct343334741712
986710732026
1030525342666
1111a4483a825
125abaa60a36
132b56181350
14169811a030
15bd9ceae96
hex71b73c3ca

30525342666 has 64 divisors (see below), whose sum is σ = 75520988928. Its totient is φ = 8009745408.

The previous prime is 30525342629. The next prime is 30525342689. The reversal of 30525342666 is 66624352503.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 34335 + ... + 249458.

It is an arithmetic number, because the mean of its divisors is an integer number (1180015452).

Almost surely, 230525342666 is an apocalyptic number.

30525342666 is an abundant number, since it is smaller than the sum of its proper divisors (44995646262).

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

30525342666 is a wasteful number, since it uses less digits than its factorization.

30525342666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284015.

The product of its (nonzero) digits is 777600, while the sum is 42.

The spelling of 30525342666 in words is "thirty billion, five hundred twenty-five million, three hundred forty-two thousand, six hundred sixty-six".

Divisors: 1 2 3 6 7 13 14 21 26 39 42 78 91 182 197 273 394 546 591 1182 1379 2561 2758 4137 5122 7683 8274 15366 17927 35854 53781 107562 283793 567586 851379 1702758 1986551 3689309 3973102 5959653 7378618 11067927 11919306 22135854 25825163 51650326 55907221 77475489 111814442 154950978 167721663 335443326 391350547 726793873 782701094 1174051641 1453587746 2180381619 2348103282 4360763238 5087557111 10175114222 15262671333 30525342666