Base | Representation |
---|---|
bin | 11011111100001100… |
… | …110001110100100010 |
3 | 2212102211012022120200 |
4 | 123330030301310202 |
5 | 442420224341002 |
6 | 21440545450030 |
7 | 2111311252203 |
oct | 337414616442 |
9 | 85384168520 |
10 | 30001012002 |
11 | 117a58753a5 |
12 | 5993340916 |
13 | 2aa165a910 |
14 | 164862d5aa |
15 | ba8c78b1c |
hex | 6fc331d22 |
30001012002 has 24 divisors (see below), whose sum is σ = 70002361884. Its totient is φ = 9231080544.
The previous prime is 30001011961. The next prime is 30001012037. The reversal of 30001012002 is 20021010003.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 22958613441 + 7042398561 = 151521^2 + 83919^2 .
It is a super-2 number, since 2×300010120022 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (9).
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, 64104493 + ... + 64104960.
Almost surely, 230001012002 is an apocalyptic number.
30001012002 is an abundant number, since it is smaller than the sum of its proper divisors (40001349882).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30001012002 is a wasteful number, since it uses less digits than its factorization.
30001012002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 128209474 (or 128209471 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 9.
Adding to 30001012002 its reverse (20021010003), we get a palindrome (50022022005).
The spelling of 30001012002 in words is "thirty billion, one million, twelve thousand, two".
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