Base | Representation |
---|---|
bin | 111001101111001100… |
… | …010001000101110100 |
3 | 12221000112120202211201 |
4 | 321233030101011310 |
5 | 2003431211410402 |
6 | 44251412342244 |
7 | 4323203023231 |
oct | 715714210564 |
9 | 187015522751 |
10 | 61995028852 |
11 | 24323639839 |
12 | 10022014984 |
13 | 5accb83933 |
14 | 3001816788 |
15 | 192c982687 |
hex | e6f311174 |
61995028852 has 24 divisors (see below), whose sum is σ = 109591163136. Its totient is φ = 30683524128.
The previous prime is 61995028829. The next prime is 61995028969. The reversal of 61995028852 is 25882059916.
61995028852 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 61995028793 and 61995028802.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 977418 + ... + 1038910.
It is an arithmetic number, because the mean of its divisors is an integer number (4566298464).
Almost surely, 261995028852 is an apocalyptic number.
It is an amenable number.
61995028852 is a deficient number, since it is larger than the sum of its proper divisors (47596134284).
61995028852 is a wasteful number, since it uses less digits than its factorization.
61995028852 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64047 (or 64045 counting only the distinct ones).
The product of its (nonzero) digits is 3110400, while the sum is 55.
The spelling of 61995028852 in words is "sixty-one billion, nine hundred ninety-five million, twenty-eight thousand, eight hundred fifty-two".
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