Base | Representation |
---|---|
bin | 1110100010111… |
… | …1100110010011 |
3 | 11020210202020110 |
4 | 3220233212103 |
5 | 111104343441 |
6 | 10015412403 |
7 | 1340411430 |
oct | 350574623 |
9 | 136722213 |
10 | 61012371 |
11 | 31492552 |
12 | 18524103 |
13 | c8429c4 |
14 | 8162b87 |
15 | 5552b16 |
hex | 3a2f993 |
61012371 has 64 divisors (see below), whose sum is σ = 105062400. Its totient is φ = 30689280.
The previous prime is 61012361. The next prime is 61012373. The reversal of 61012371 is 17321016.
It is not a de Polignac number, because 61012371 - 25 = 61012339 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is not an unprimeable number, because it can be changed into a prime (61012373) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 409405 + ... + 409553.
It is an arithmetic number, because the mean of its divisors is an integer number (1641600).
Almost surely, 261012371 is an apocalyptic number.
61012371 is a deficient number, since it is larger than the sum of its proper divisors (44050029).
61012371 is a wasteful number, since it uses less digits than its factorization.
61012371 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 244.
The product of its (nonzero) digits is 252, while the sum is 21.
The square root of 61012371 is about 7811.0416078779. The cubic root of 61012371 is about 393.6763276627.
Adding to 61012371 its reverse (17321016), we get a palindrome (78333387).
The spelling of 61012371 in words is "sixty-one million, twelve thousand, three hundred seventy-one".
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