Base | Representation |
---|---|
bin | 111001010100011001… |
… | …010001101110110100 |
3 | 12212212012122000210101 |
4 | 321110121101232310 |
5 | 2002021114021031 |
6 | 44135032403444 |
7 | 4306103506000 |
oct | 712431215664 |
9 | 185765560711 |
10 | 61545454516 |
11 | 241128939a7 |
12 | bb17546584 |
13 | 5a5a9a5910 |
14 | 2d9bc29700 |
15 | 190327a361 |
hex | e54651bb4 |
61545454516 has 48 divisors (see below), whose sum is σ = 135264774400. Its totient is φ = 24347645280.
The previous prime is 61545454513. The next prime is 61545454571.
61545454516 is nontrivially palindromic in base 10.
61545454516 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 (61545454513) 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, 1707480 + ... + 1743151.
Almost surely, 261545454516 is an apocalyptic number.
It is an amenable number.
61545454516 is an abundant number, since it is smaller than the sum of its proper divisors (73719319884).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61545454516 is a wasteful number, since it uses less digits than its factorization.
61545454516 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3450669 (or 3450653 counting only the distinct ones).
The product of its digits is 1440000, while the sum is 46.
The spelling of 61545454516 in words is "sixty-one billion, five hundred forty-five million, four hundred fifty-four thousand, five hundred sixteen".
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