Base | Representation |
---|---|
bin | 11011111111001110… |
… | …010000110000100111 |
3 | 2212120100122012001100 |
4 | 123333032100300213 |
5 | 443021220420034 |
6 | 21450000531143 |
7 | 2112465340344 |
oct | 337716206047 |
9 | 85510565040 |
10 | 30051732519 |
11 | 11821468486 |
12 | 59a8320ab3 |
13 | 2aac008c63 |
14 | 16512737cb |
15 | bad447099 |
hex | 6ff390c27 |
30051732519 has 12 divisors (see below), whose sum is σ = 44581249336. Its totient is φ = 19493015472.
The previous prime is 30051732511. The next prime is 30051732521. The reversal of 30051732519 is 91523715003.
30051732519 is a `hidden beast` number, since 300 + 5 + 17 + 325 + 19 = 666.
It is not a de Polignac number, because 30051732519 - 23 = 30051732511 is a prime.
It is a super-2 number, since 2×300517325192 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30051732511) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45122389 + ... + 45123054.
Almost surely, 230051732519 is an apocalyptic number.
30051732519 is a deficient number, since it is larger than the sum of its proper divisors (14529516817).
30051732519 is a wasteful number, since it uses less digits than its factorization.
30051732519 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90245486 (or 90245483 counting only the distinct ones).
The product of its (nonzero) digits is 28350, while the sum is 36.
The spelling of 30051732519 in words is "thirty billion, fifty-one million, seven hundred thirty-two thousand, five hundred nineteen".
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