Base | Representation |
---|---|
bin | 11100010100011000… |
… | …010001111110000111 |
3 | 2220111002112102002012 |
4 | 130110120101332013 |
5 | 444233102233310 |
6 | 21545120404435 |
7 | 2124335343104 |
oct | 342430217607 |
9 | 86432472065 |
10 | 30406680455 |
11 | 11993862088 |
12 | 5a8717671b |
13 | 2b37705318 |
14 | 168646baab |
15 | bce6abc05 |
hex | 714611f87 |
30406680455 has 32 divisors (see below), whose sum is σ = 39045473280. Its totient is φ = 22681711360.
The previous prime is 30406680433. The next prime is 30406680461. The reversal of 30406680455 is 55408660403.
It is not a de Polignac number, because 30406680455 - 212 = 30406676359 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 705764 + ... + 747606.
It is an arithmetic number, because the mean of its divisors is an integer number (1220171040).
Almost surely, 230406680455 is an apocalyptic number.
30406680455 is a deficient number, since it is larger than the sum of its proper divisors (8638792825).
30406680455 is a wasteful number, since it uses less digits than its factorization.
30406680455 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42031.
The product of its (nonzero) digits is 345600, while the sum is 41.
The spelling of 30406680455 in words is "thirty billion, four hundred six million, six hundred eighty thousand, four hundred fifty-five".
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