Base | Representation |
---|---|
bin | 111001101001010011… |
… | …011001011101100000 |
3 | 12220202122200111221112 |
4 | 321221103121131200 |
5 | 2003230414003343 |
6 | 44233523042452 |
7 | 4320563213120 |
oct | 715123313540 |
9 | 186678614845 |
10 | 61896234848 |
11 | 242828a13a8 |
12 | bbb4b10428 |
13 | 5ab5573046 |
14 | 2dd265ac80 |
15 | 1923e6a218 |
hex | e694d9760 |
61896234848 has 48 divisors (see below), whose sum is σ = 139383093024. Its totient is φ = 26504755200.
The previous prime is 61896234839. The next prime is 61896234871. The reversal of 61896234848 is 84843269816.
It is a happy number.
61896234848 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×618962348482 (a number of 22 digits) contains 22 as substring.
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, 153986 + ... + 384062.
It is an arithmetic number, because the mean of its divisors is an integer number (2903814438).
Almost surely, 261896234848 is an apocalyptic number.
It is an amenable number.
61896234848 is an abundant number, since it is smaller than the sum of its proper divisors (77486858176).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61896234848 is a wasteful number, since it uses less digits than its factorization.
61896234848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 231295 (or 231287 counting only the distinct ones).
The product of its digits is 15925248, while the sum is 59.
The spelling of 61896234848 in words is "sixty-one billion, eight hundred ninety-six million, two hundred thirty-four thousand, eight hundred forty-eight".
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