Base | Representation |
---|---|
bin | 11100000001010110… |
… | …110000001101110001 |
3 | 2212122211222000120022 |
4 | 130001112300031301 |
5 | 443104400403240 |
6 | 21453315453225 |
7 | 2113411432430 |
oct | 340126601561 |
9 | 85584860508 |
10 | 30087512945 |
11 | 1183a686886 |
12 | 59b82b7215 |
13 | 2ab6555cc9 |
14 | 1655d09117 |
15 | bb16639b5 |
hex | 7015b0371 |
30087512945 has 16 divisors (see below), whose sum is σ = 41342099328. Its totient is φ = 20591825280.
The previous prime is 30087512921. The next prime is 30087512969. The reversal of 30087512945 is 54921578003.
It is an interprime number because it is at equal distance from previous prime (30087512921) and next prime (30087512969).
It is not a de Polignac number, because 30087512945 - 26 = 30087512881 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30087512896 and 30087512905.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 806759 + ... + 843228.
It is an arithmetic number, because the mean of its divisors is an integer number (2583881208).
Almost surely, 230087512945 is an apocalyptic number.
30087512945 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30087512945 is a deficient number, since it is larger than the sum of its proper divisors (11254586383).
30087512945 is a wasteful number, since it uses less digits than its factorization.
30087512945 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1650520.
The product of its (nonzero) digits is 302400, while the sum is 44.
The spelling of 30087512945 in words is "thirty billion, eighty-seven million, five hundred twelve thousand, nine hundred forty-five".
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