Base | Representation |
---|---|
bin | 11100000000000010… |
… | …001010001011010000 |
3 | 2212121022020100221111 |
4 | 130000002022023100 |
5 | 443033211241130 |
6 | 21451204303104 |
7 | 2113022101564 |
oct | 340002121320 |
9 | 85538210844 |
10 | 30065337040 |
11 | 1182910a792 |
12 | 59b09a1a94 |
13 | 2ab1a9037b |
14 | 1652db56a4 |
15 | bae73302a |
hex | 70008a2d0 |
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".
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