Base | Representation |
---|---|
bin | 11100011101010110… |
… | …111000000101101110 |
3 | 2220212120222001012020 |
4 | 130131112320011232 |
5 | 1000040132312441 |
6 | 22012101051010 |
7 | 2131144553214 |
oct | 343526700556 |
9 | 86776861166 |
10 | 30557307246 |
11 | 11a60892234 |
12 | 5b096b6a66 |
13 | 2b5c9935bb |
14 | 169c47acb4 |
15 | bdca11e66 |
hex | 71d5b816e |
30557307246 has 16 divisors (see below), whose sum is σ = 61368205008. Its totient is φ = 10143504000.
The previous prime is 30557307233. The next prime is 30557307293. The reversal of 30557307246 is 64270375503.
It is a super-2 number, since 2×305573072462 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30557307198 and 30557307207.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 10564705 + ... + 10567596.
It is an arithmetic number, because the mean of its divisors is an integer number (3835512813).
Almost surely, 230557307246 is an apocalyptic number.
30557307246 is an abundant number, since it is smaller than the sum of its proper divisors (30810897762).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30557307246 is a wasteful number, since it uses less digits than its factorization.
30557307246 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21132547.
The product of its (nonzero) digits is 529200, while the sum is 42.
The spelling of 30557307246 in words is "thirty billion, five hundred fifty-seven million, three hundred seven thousand, two hundred forty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •