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30065337040 = 2451929682063
BaseRepresentation
bin11100000000000010…
…001010001011010000
32212121022020100221111
4130000002022023100
5443033211241130
621451204303104
72113022101564
oct340002121320
985538210844
1030065337040
111182910a792
1259b09a1a94
132ab1a9037b
141652db56a4
15bae73302a
hex70008a2d0

30065337040 has 80 divisors (see below), whose sum is σ = 76118342400. Its totient is φ = 11000295936.

The previous prime is 30065337017. The next prime is 30065337047. The reversal of 30065337040 is 4073356003.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 30065336993 and 30065337011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30065337047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296952 + ... + 385111.

It is an arithmetic number, because the mean of its divisors is an integer number (951479280).

Almost surely, 230065337040 is an apocalyptic number.

It is an amenable number.

30065337040 is an abundant number, since it is smaller than the sum of its proper divisors (46053005360).

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

30065337040 is a wasteful number, since it uses less digits than its factorization.

30065337040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682124 (or 682118 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 31.

The spelling of 30065337040 in words is "thirty billion, sixty-five million, three hundred thirty-seven thousand, forty".

Divisors: 1 2 4 5 8 10 16 19 20 29 38 40 58 76 80 95 116 145 152 190 232 290 304 380 464 551 580 760 1102 1160 1520 2204 2320 2755 4408 5510 8816 11020 22040 44080 682063 1364126 2728252 3410315 5456504 6820630 10913008 12959197 13641260 19779827 25918394 27282520 39559654 51836788 54565040 64795985 79119308 98899135 103673576 129591970 158238616 197798270 207347152 259183940 316477232 375816713 395596540 518367880 751633426 791193080 1036735760 1503266852 1582386160 1879083565 3006533704 3758167130 6013067408 7516334260 15032668520 30065337040