Base | Representation |
---|---|
bin | 111001000100000111… |
… | …001000100000011010 |
3 | 12212011011120110001022 |
4 | 321010013020200122 |
5 | 2000441144401212 |
6 | 44051553122442 |
7 | 4266245432231 |
oct | 710407104032 |
9 | 185134513038 |
10 | 61272262682 |
11 | 23a9265a924 |
12 | ba5bb59422 |
13 | 5a16203047 |
14 | 2d73833b18 |
15 | 18d92b4772 |
hex | e441c881a |
61272262682 has 16 divisors (see below), whose sum is σ = 97388509032. Its totient is φ = 28812157440.
The previous prime is 61272262679. The next prime is 61272262687. The reversal of 61272262682 is 28626227216.
It can be written as a sum of positive squares in 4 ways, for example, as 59408700121 + 1863562561 = 243739^2 + 43169^2 .
It is not an unprimeable number, because it can be changed into a prime (61272262687) 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, 637193 + ... + 727020.
Almost surely, 261272262682 is an apocalyptic number.
61272262682 is a deficient number, since it is larger than the sum of its proper divisors (36116246350).
61272262682 is a wasteful number, since it uses less digits than its factorization.
61272262682 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1365553.
The product of its digits is 387072, while the sum is 44.
Adding to 61272262682 its reverse (28626227216), we get a palindrome (89898489898).
The spelling of 61272262682 in words is "sixty-one billion, two hundred seventy-two million, two hundred sixty-two thousand, six hundred eighty-two".
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