Base | Representation |
---|---|
bin | 111001000110001011… |
… | …111010011101010000 |
3 | 12212020121001212002220 |
4 | 321012023322131100 |
5 | 2001024102222123 |
6 | 44055235141040 |
7 | 4300150333152 |
oct | 710613723520 |
9 | 185217055086 |
10 | 61307070288 |
11 | 24000274342 |
12 | ba6b744780 |
13 | 5a2049c369 |
14 | 2d782d4ad2 |
15 | 18dc38cce3 |
hex | e462fa750 |
61307070288 has 80 divisors (see below), whose sum is σ = 159623033472. Its totient is φ = 20275200000.
The previous prime is 61307070287. The next prime is 61307070311. The reversal of 61307070288 is 88207070316.
61307070288 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61307070281) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6380688 + ... + 6390288.
Almost surely, 261307070288 is an apocalyptic number.
It is an amenable number.
61307070288 is an abundant number, since it is smaller than the sum of its proper divisors (98315963184).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61307070288 is a wasteful number, since it uses less digits than its factorization.
61307070288 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10644 (or 10638 counting only the distinct ones).
The product of its (nonzero) digits is 112896, while the sum is 42.
The spelling of 61307070288 in words is "sixty-one billion, three hundred seven million, seventy thousand, two hundred eighty-eight".
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