Base | Representation |
---|---|
bin | 10011000001010111… |
… | …10000111111010010 |
3 | 222100200201101010120 |
4 | 21200223300333102 |
5 | 131403234121203 |
6 | 4405155011110 |
7 | 511030511403 |
oct | 114053607722 |
9 | 28320641116 |
10 | 10212020178 |
11 | 43704679a8 |
12 | 1b8bb99a96 |
13 | c698c29b9 |
14 | 6cc3939aa |
15 | 3eb7ddb53 |
hex | 260af0fd2 |
10212020178 has 32 divisors (see below), whose sum is σ = 20824718976. Its totient is φ = 3337321728.
The previous prime is 10212020177. The next prime is 10212020179. The reversal of 10212020178 is 87102021201.
10212020178 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (10212020177) and next prime (10212020179).
It is a super-2 number, since 2×102120201782 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (10212020177) 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 15 ways as a sum of consecutive naturals, for example, 449050 + ... + 471242.
It is an arithmetic number, because the mean of its divisors is an integer number (650772468).
Almost surely, 210212020178 is an apocalyptic number.
10212020178 is an abundant number, since it is smaller than the sum of its proper divisors (10612698798).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10212020178 is a wasteful number, since it uses less digits than its factorization.
10212020178 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23698.
The product of its (nonzero) digits is 448, while the sum is 24.
Adding to 10212020178 its reverse (87102021201), we get a palindrome (97314041379).
The spelling of 10212020178 in words is "ten billion, two hundred twelve million, twenty thousand, one hundred seventy-eight".
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