Base | Representation |
---|---|
bin | 11100011100100010… |
… | …011010101111100011 |
3 | 2220211122002101102100 |
4 | 130130202122233203 |
5 | 1000023122234210 |
6 | 22010450221443 |
7 | 2130616636632 |
oct | 343442325743 |
9 | 86748071370 |
10 | 30543555555 |
11 | 11a5404a3a7 |
12 | 5b04b84883 |
13 | 2b59b8a1c6 |
14 | 169a6db519 |
15 | bdb6e75c0 |
hex | 71c89abe3 |
30543555555 has 24 divisors (see below), whose sum is σ = 52947771552. Its totient is φ = 16288170624.
The previous prime is 30543555551. The next prime is 30543555613. The reversal of 30543555555 is 55555534503.
30543555555 is a `hidden beast` number, since 3 + 0 + 5 + 43 + 5 + 55 + 555 = 666.
It is not a de Polignac number, because 30543555555 - 22 = 30543555551 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 30543555555.
It is not an unprimeable number, because it can be changed into a prime (30543555551) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 472602 + ... + 533328.
It is an arithmetic number, because the mean of its divisors is an integer number (2206157148).
Almost surely, 230543555555 is an apocalyptic number.
30543555555 is a deficient number, since it is larger than the sum of its proper divisors (22404215997).
30543555555 is a wasteful number, since it uses less digits than its factorization.
30543555555 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 71915 (or 71912 counting only the distinct ones).
The product of its (nonzero) digits is 2812500, while the sum is 45.
The spelling of 30543555555 in words is "thirty billion, five hundred forty-three million, five hundred fifty-five thousand, five hundred fifty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.063 sec. • engine limits •