Base | Representation |
---|---|
bin | 100000000101101000… |
… | …101110110110101001 |
3 | 10021221011211220011202 |
4 | 200011220232312221 |
5 | 1031030300131441 |
6 | 23454511133545 |
7 | 2326544510261 |
oct | 400550566651 |
9 | 107834756152 |
10 | 34454302121 |
11 | 13680612158 |
12 | 68168142b5 |
13 | 333115b725 |
14 | 194bc5a7a1 |
15 | d69bdc19b |
hex | 805a2eda9 |
34454302121 has 4 divisors (see below), whose sum is σ = 34457030100. Its totient is φ = 34451574144.
The previous prime is 34454302111. The next prime is 34454302133. The reversal of 34454302121 is 12120345443.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12120345443 = 23 ⋅526971541.
It can be written as a sum of positive squares in 2 ways, for example, as 6635731600 + 27818570521 = 81460^2 + 166789^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-34454302121 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (34454302111) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1344956 + ... + 1370333.
It is an arithmetic number, because the mean of its divisors is an integer number (8614257525).
Almost surely, 234454302121 is an apocalyptic number.
It is an amenable number.
34454302121 is a deficient number, since it is larger than the sum of its proper divisors (2727979).
34454302121 is a wasteful number, since it uses less digits than its factorization.
34454302121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2727978.
The product of its (nonzero) digits is 11520, while the sum is 29.
Adding to 34454302121 its reverse (12120345443), we get a palindrome (46574647564).
The spelling of 34454302121 in words is "thirty-four billion, four hundred fifty-four million, three hundred two thousand, one hundred twenty-one".
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