Base | Representation |
---|---|
bin | 11100001110010110… |
… | …011111111100000111 |
3 | 2220020001020110022000 |
4 | 130032112133330013 |
5 | 444031210100322 |
6 | 21531105040343 |
7 | 2121666632301 |
oct | 341626377407 |
9 | 86201213260 |
10 | 30305550087 |
11 | 1194176936a |
12 | 5a593260b3 |
13 | 2b1c787177 |
14 | 1676c64971 |
15 | bc58823ac |
hex | 70e59ff07 |
30305550087 has 32 divisors (see below), whose sum is σ = 45273634560. Its totient is φ = 20034499680.
The previous prime is 30305550083. The next prime is 30305550091. The reversal of 30305550087 is 78005550303.
It is an interprime number because it is at equal distance from previous prime (30305550083) and next prime (30305550091).
It is not a de Polignac number, because 30305550087 - 22 = 30305550083 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30305550083) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6742813 + ... + 6747305.
It is an arithmetic number, because the mean of its divisors is an integer number (1414801080).
Almost surely, 230305550087 is an apocalyptic number.
30305550087 is a deficient number, since it is larger than the sum of its proper divisors (14968084473).
30305550087 is a wasteful number, since it uses less digits than its factorization.
30305550087 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6540 (or 6534 counting only the distinct ones).
The product of its (nonzero) digits is 63000, while the sum is 36.
The spelling of 30305550087 in words is "thirty billion, three hundred five million, five hundred fifty thousand, eighty-seven".
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