Base | Representation |
---|---|
bin | 11011111111011011… |
… | …110010000001000000 |
3 | 2212120121022020121220 |
4 | 123333123302001000 |
5 | 443023122322413 |
6 | 21450204515040 |
7 | 2112540431100 |
oct | 337733620100 |
9 | 85517266556 |
10 | 30055276608 |
11 | 11823469185 |
12 | 59a954ba80 |
13 | 2aac97a156 |
14 | 1651917200 |
15 | bad8e7223 |
hex | 6ff6f2040 |
30055276608 has 84 divisors (see below), whose sum is σ = 92504343312. Its totient is φ = 8587219200.
The previous prime is 30055276561. The next prime is 30055276639. The reversal of 30055276608 is 80667255003.
It is a tau number, because it is divible by the number of its divisors (84).
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a self number, because there is not a number n which added to its sum of digits gives 30055276608.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1587918 + ... + 1606733.
Almost surely, 230055276608 is an apocalyptic number.
It is an amenable number.
30055276608 is an abundant number, since it is smaller than the sum of its proper divisors (62449066704).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30055276608 is a wasteful number, since it uses less digits than its factorization.
30055276608 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3194680 (or 3194663 counting only the distinct ones).
The product of its (nonzero) digits is 302400, while the sum is 42.
The spelling of 30055276608 in words is "thirty billion, fifty-five million, two hundred seventy-six thousand, six hundred eight".
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