Base | Representation |
---|---|
bin | 11100010111100100… |
… | …111111101011101111 |
3 | 2220121211111212002120 |
4 | 130113210333223233 |
5 | 444340322020241 |
6 | 21554314524023 |
7 | 2125556442522 |
oct | 342744775357 |
9 | 86554455076 |
10 | 30460345071 |
11 | 11a11086102 |
12 | 5aa1136613 |
13 | 2b45874730 |
14 | 168d63abb9 |
15 | bd425c666 |
hex | 71793faef |
30460345071 has 16 divisors (see below), whose sum is σ = 43746232320. Its totient is φ = 18741270240.
The previous prime is 30460345043. The next prime is 30460345079. The reversal of 30460345071 is 17054306403.
It is not a de Polignac number, because 30460345071 - 25 = 30460345039 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30460345079) 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, 141990 + ... + 284748.
It is an arithmetic number, because the mean of its divisors is an integer number (2734139520).
Almost surely, 230460345071 is an apocalyptic number.
30460345071 is a deficient number, since it is larger than the sum of its proper divisors (13285887249).
30460345071 is a wasteful number, since it uses less digits than its factorization.
30460345071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 148246.
The product of its (nonzero) digits is 30240, while the sum is 33.
The spelling of 30460345071 in words is "thirty billion, four hundred sixty million, three hundred forty-five thousand, seventy-one".
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