Base | Representation |
---|---|
bin | 1110100011110… |
… | …1111010101111 |
3 | 11020220201200202 |
4 | 3220331322233 |
5 | 111113233043 |
6 | 10020544115 |
7 | 1341044426 |
oct | 350757257 |
9 | 136821622 |
10 | 61071023 |
11 | 31522622 |
12 | 1855203b |
13 | c863600 |
14 | 817a2bd |
15 | 55651b8 |
hex | 3a3deaf |
61071023 has 12 divisors (see below), whose sum is σ = 68269248. Its totient is φ = 54550080.
The previous prime is 61071007. The next prime is 61071037. The reversal of 61071023 is 32017016.
It is a happy number.
It is not a de Polignac number, because 61071023 - 24 = 61071007 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 61070986 and 61071004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61071623) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 590 + ... + 11067.
It is an arithmetic number, because the mean of its divisors is an integer number (5689104).
Almost surely, 261071023 is an apocalyptic number.
61071023 is a deficient number, since it is larger than the sum of its proper divisors (7198225).
61071023 is a wasteful number, since it uses less digits than its factorization.
61071023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11714 (or 11701 counting only the distinct ones).
The product of its (nonzero) digits is 252, while the sum is 20.
The square root of 61071023 is about 7814.7951348708. The cubic root of 61071023 is about 393.8024360167.
Adding to 61071023 its reverse (32017016), we get a palindrome (93088039).
The spelling of 61071023 in words is "sixty-one million, seventy-one thousand, twenty-three".
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