Base | Representation |
---|---|
bin | 11100011001100001… |
… | …101010101000101010 |
3 | 2220201010000021002010 |
4 | 130121201222220222 |
5 | 444422203324413 |
6 | 22001443220350 |
7 | 2126434310640 |
oct | 343141525052 |
9 | 86633007063 |
10 | 30493026858 |
11 | 11a28578448 |
12 | 5ab00776b6 |
13 | 2b4c578278 |
14 | 1693b07190 |
15 | bd7065dc3 |
hex | 71986aa2a |
30493026858 has 16 divisors (see below), whose sum is σ = 69698347200. Its totient is φ = 8712293376.
The previous prime is 30493026853. The next prime is 30493026887. The reversal of 30493026858 is 85862039403.
It is not an unprimeable number, because it can be changed into a prime (30493026853) 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, 363012183 + ... + 363012266.
It is an arithmetic number, because the mean of its divisors is an integer number (4356146700).
Almost surely, 230493026858 is an apocalyptic number.
30493026858 is an abundant number, since it is smaller than the sum of its proper divisors (39205320342).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30493026858 is a wasteful number, since it uses less digits than its factorization.
30493026858 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 726024461.
The product of its (nonzero) digits is 1244160, while the sum is 48.
The spelling of 30493026858 in words is "thirty billion, four hundred ninety-three million, twenty-six thousand, eight hundred fifty-eight".
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