Base | Representation |
---|---|
bin | 11100000111001111… |
… | …101001111010001010 |
3 | 2212220201212201001120 |
4 | 130013033221322022 |
5 | 443310144043102 |
6 | 21511205300110 |
7 | 2116021306305 |
oct | 340717517212 |
9 | 85821781046 |
10 | 30186315402 |
11 | 1189042a601 |
12 | 5a25404636 |
13 | 2b00b6a6b9 |
14 | 16650a7b3c |
15 | bba17d6bc |
hex | 7073e9e8a |
30186315402 has 8 divisors (see below), whose sum is σ = 60372630816. Its totient is φ = 10062105132.
The previous prime is 30186315391. The next prime is 30186315403. The reversal of 30186315402 is 20451368103.
It is a sphenic number, since it is the product of 3 distinct primes.
30186315402 is an admirable number.
It is a super-2 number, since 2×301863154022 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30186315403) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 2515526278 + ... + 2515526289.
It is an arithmetic number, because the mean of its divisors is an integer number (7546578852).
Almost surely, 230186315402 is an apocalyptic number.
30186315402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30186315402 is a wasteful number, since it uses less digits than its factorization.
30186315402 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5031052572.
The product of its (nonzero) digits is 17280, while the sum is 33.
The spelling of 30186315402 in words is "thirty billion, one hundred eighty-six million, three hundred fifteen thousand, four hundred two".
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