Base | Representation |
---|---|
bin | 101010100100100110… |
… | …0110111010000001110 |
3 | 22201222101102020022202 |
4 | 1111021030313100032 |
5 | 2444213120001110 |
6 | 105555431441502 |
7 | 6414350523362 |
oct | 1251114672016 |
9 | 281871366282 |
10 | 91422422030 |
11 | 35854634895 |
12 | 15875226292 |
13 | 880c721714 |
14 | 45d3ba92a2 |
15 | 25a11a00a5 |
hex | 154933740e |
91422422030 has 32 divisors (see below), whose sum is σ = 167976177408. Its totient is φ = 35815046400.
The previous prime is 91422422029. The next prime is 91422422033. The reversal of 91422422030 is 3022422419.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 91422421984 and 91422422002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (91422422033) 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, 179486 + ... + 463745.
It is an arithmetic number, because the mean of its divisors is an integer number (5249255544).
Almost surely, 291422422030 is an apocalyptic number.
91422422030 is a deficient number, since it is larger than the sum of its proper divisors (76553755378).
91422422030 is a wasteful number, since it uses less digits than its factorization.
91422422030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 643532.
The product of its (nonzero) digits is 6912, while the sum is 29.
Adding to 91422422030 its reverse (3022422419), we get a palindrome (94444844449).
The spelling of 91422422030 in words is "ninety-one billion, four hundred twenty-two million, four hundred twenty-two thousand, thirty".
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