Base | Representation |
---|---|
bin | 1110100100101… |
… | …0101000011101 |
3 | 11021000101010120 |
4 | 3221022220131 |
5 | 111121414401 |
6 | 10022025153 |
7 | 1341352314 |
oct | 351125035 |
9 | 137011116 |
10 | 61123101 |
11 | 31558766 |
12 | 185781b9 |
13 | c881220 |
14 | 819127b |
15 | 5575836 |
hex | 3a4aa1d |
61123101 has 8 divisors (see below), whose sum is σ = 87766560. Its totient is φ = 37614192.
The previous prime is 61123099. The next prime is 61123141. The reversal of 61123101 is 10132116.
61123101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 61123101 - 21 = 61123099 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61123141) 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 7 ways as a sum of consecutive naturals, for example, 783591 + ... + 783668.
It is an arithmetic number, because the mean of its divisors is an integer number (10970820).
Almost surely, 261123101 is an apocalyptic number.
It is an amenable number.
61123101 is a deficient number, since it is larger than the sum of its proper divisors (26643459).
61123101 is a wasteful number, since it uses less digits than its factorization.
61123101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1567275.
The product of its (nonzero) digits is 36, while the sum is 15.
The square root of 61123101 is about 7818.1264379645. The cubic root of 61123101 is about 393.9143418793.
Adding to 61123101 its reverse (10132116), we get a palindrome (71255217).
The spelling of 61123101 in words is "sixty-one million, one hundred twenty-three thousand, one hundred one".
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