Base | Representation |
---|---|
bin | 1101101011010100010000… |
… | …10110010011011110000001 |
3 | 10221111012111122210111222001 |
4 | 12311222020112103132001 |
5 | 12420224412012224011 |
6 | 143544321234144001 |
7 | 6222615415450666 |
oct | 665521026233601 |
9 | 127435448714861 |
10 | 30075648554881 |
11 | 96460135a1aa6 |
12 | 3458a41a22001 |
13 | 13a2176bb1767 |
14 | 75d952249a6d |
15 | 37250b2507c1 |
hex | 1b5a88593781 |
30075648554881 has 8 divisors (see below), whose sum is σ = 30106372158720. Its totient is φ = 30044927323152.
The previous prime is 30075648554789. The next prime is 30075648554911. The reversal of 30075648554881 is 18845584657003.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30075648554881 is a prime.
It is a super-2 number, since 2×300756485548812 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30075648354881) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25356816 + ... + 26516398.
It is an arithmetic number, because the mean of its divisors is an integer number (3763296519840).
Almost surely, 230075648554881 is an apocalyptic number.
It is an amenable number.
30075648554881 is a deficient number, since it is larger than the sum of its proper divisors (30723603839).
30075648554881 is a wasteful number, since it uses less digits than its factorization.
30075648554881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1186055.
The product of its (nonzero) digits is 129024000, while the sum is 64.
The spelling of 30075648554881 in words is "thirty trillion, seventy-five billion, six hundred forty-eight million, five hundred fifty-four thousand, eight hundred eighty-one".
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