Base | Representation |
---|---|
bin | 11100100011111010… |
… | …101010000000000100 |
3 | 2221011021000210111112 |
4 | 130203322222000010 |
5 | 1000301320200040 |
6 | 22031031424152 |
7 | 2133652113506 |
oct | 344372520004 |
9 | 87137023445 |
10 | 30667350020 |
11 | 12007a12a7a |
12 | 5b3a525058 |
13 | 2b79712278 |
14 | 16acd23d76 |
15 | be74ec365 |
hex | 723eaa004 |
30667350020 has 12 divisors (see below), whose sum is σ = 64401435084. Its totient is φ = 12266940000.
The previous prime is 30667350017. The next prime is 30667350031. The reversal of 30667350020 is 2005376603.
It can be written as a sum of positive squares in 2 ways, for example, as 15150163396 + 15517186624 = 123086^2 + 124568^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 766683731 + ... + 766683770.
It is an arithmetic number, because the mean of its divisors is an integer number (5366786257).
Almost surely, 230667350020 is an apocalyptic number.
It is an amenable number.
30667350020 is an abundant number, since it is smaller than the sum of its proper divisors (33734085064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30667350020 is a wasteful number, since it uses less digits than its factorization.
30667350020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1533367510 (or 1533367508 counting only the distinct ones).
The product of its (nonzero) digits is 22680, while the sum is 32.
The spelling of 30667350020 in words is "thirty billion, six hundred sixty-seven million, three hundred fifty thousand, twenty".
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