Base | Representation |
---|---|
bin | 1110100100111… |
… | …1000010110001 |
3 | 11021001021220202 |
4 | 3221033002301 |
5 | 111123004134 |
6 | 10022244545 |
7 | 1341456065 |
oct | 351170261 |
9 | 137037822 |
10 | 61141169 |
11 | 315702a1 |
12 | 18586755 |
13 | c88950b |
14 | 8197aa5 |
15 | 557ad7e |
hex | 3a4f0b1 |
61141169 has 4 divisors (see below), whose sum is σ = 62177520. Its totient is φ = 60104820.
The previous prime is 61141151. The next prime is 61141177. The reversal of 61141169 is 96114116.
61141169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 61141169 - 224 = 44363953 is a prime.
It is a super-2 number, since 2×611411692 = 7476485093373122, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (61141139) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518087 + ... + 518204.
It is an arithmetic number, because the mean of its divisors is an integer number (15544380).
Almost surely, 261141169 is an apocalyptic number.
It is an amenable number.
61141169 is a deficient number, since it is larger than the sum of its proper divisors (1036351).
61141169 is a wasteful number, since it uses less digits than its factorization.
61141169 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1036350.
The product of its digits is 1296, while the sum is 29.
The square root of 61141169 is about 7819.2818723972. The cubic root of 61141169 is about 393.9531517730.
The spelling of 61141169 in words is "sixty-one million, one hundred forty-one thousand, one hundred sixty-nine".
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