Base | Representation |
---|---|
bin | 11111110111110000… |
… | …010010110111111010 |
3 | 10021022221121102112011 |
4 | 133313300102313322 |
5 | 1030041134404032 |
6 | 23415431240134 |
7 | 2321016063046 |
oct | 376760226772 |
9 | 107287542464 |
10 | 34221403642 |
11 | 135710aa078 |
12 | 677081904a |
13 | 32c4b2608a |
14 | 1928d53026 |
15 | d54535247 |
hex | 7f7c12dfa |
34221403642 has 4 divisors (see below), whose sum is σ = 51332105466. Its totient is φ = 17110701820.
The previous prime is 34221403609. The next prime is 34221403661. The reversal of 34221403642 is 24630412243.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24630412243 = 17 ⋅1448847779.
It can be written as a sum of positive squares in only one way, i.e., 18406077561 + 15815326081 = 135669^2 + 125759^2 .
It is a super-2 number, since 2×342214036422 (a number of 22 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8555350909 + ... + 8555350912.
Almost surely, 234221403642 is an apocalyptic number.
34221403642 is a deficient number, since it is larger than the sum of its proper divisors (17110701824).
34221403642 is a wasteful number, since it uses less digits than its factorization.
34221403642 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17110701823.
The product of its (nonzero) digits is 27648, while the sum is 31.
Adding to 34221403642 its reverse (24630412243), we get a palindrome (58851815885).
The spelling of 34221403642 in words is "thirty-four billion, two hundred twenty-one million, four hundred three thousand, six hundred forty-two".
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