Base | Representation |
---|---|
bin | 1101111000100011100000… |
… | …10101001110111111000001 |
3 | 11000002200120212220112002012 |
4 | 12330101300111032333001 |
5 | 13000202442102421221 |
6 | 144533305035502305 |
7 | 6300520360323446 |
oct | 674216025167701 |
9 | 130080525815065 |
10 | 30530512154561 |
11 | 9800a10200911 |
12 | 35110268b7995 |
13 | 1406026aa1643 |
14 | 777982a559cd |
15 | 37e27e4a065b |
hex | 1bc47054efc1 |
30530512154561 has 8 divisors (see below), whose sum is σ = 30540029148864. Its totient is φ = 30520996606800.
The previous prime is 30530512154533. The next prime is 30530512154603. The reversal of 30530512154561 is 16545121503503.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30530512154561 - 214 = 30530512138177 is a prime.
It is a super-2 number, since 2×305305121545612 (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 (30530512150561) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42650180 + ... + 43360106.
It is an arithmetic number, because the mean of its divisors is an integer number (3817503643608).
Almost surely, 230530512154561 is an apocalyptic number.
It is an amenable number.
30530512154561 is a deficient number, since it is larger than the sum of its proper divisors (9516994303).
30530512154561 is an equidigital number, since it uses as much as digits as its factorization.
30530512154561 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 723271.
The product of its (nonzero) digits is 270000, while the sum is 41.
The spelling of 30530512154561 in words is "thirty trillion, five hundred thirty billion, five hundred twelve million, one hundred fifty-four thousand, five hundred sixty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.093 sec. • engine limits •