Base | Representation |
---|---|
bin | 11100000001011100… |
… | …001010011101011110 |
3 | 2212122221122002000000 |
4 | 130001130022131132 |
5 | 443110231244131 |
6 | 21453410115130 |
7 | 2113426460250 |
oct | 340134123536 |
9 | 85587562000 |
10 | 30088931166 |
11 | 11840465368 |
12 | 59b887baa6 |
13 | 2ab69316a8 |
14 | 1656197cd0 |
15 | bb1843ce6 |
hex | 70170a75e |
30088931166 has 56 divisors (see below), whose sum is σ = 77336185584. Its totient is φ = 8596834560.
The previous prime is 30088931153. The next prime is 30088931167. The reversal of 30088931166 is 66113988003.
It is a happy number.
It is a super-2 number, since 2×300889311662 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30088931167) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1463875 + ... + 1484286.
It is an arithmetic number, because the mean of its divisors is an integer number (1381003314).
Almost surely, 230088931166 is an apocalyptic number.
30088931166 is an abundant number, since it is smaller than the sum of its proper divisors (47247254418).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30088931166 is an equidigital number, since it uses as much as digits as its factorization.
30088931166 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2948188 (or 2948173 counting only the distinct ones).
The product of its (nonzero) digits is 186624, while the sum is 45.
The spelling of 30088931166 in words is "thirty billion, eighty-eight million, nine hundred thirty-one thousand, one hundred sixty-six".
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