Base | Representation |
---|---|
bin | 10101101101000101000… |
… | …00000010100001011100 |
3 | 2122021220222211020220211 |
4 | 22312202200002201130 |
5 | 44204301421301030 |
6 | 1330332335422204 |
7 | 104610343302304 |
oct | 12664240024134 |
9 | 2567828736824 |
10 | 745755650140 |
11 | 268300693896 |
12 | 100648084964 |
13 | 5542aaa3537 |
14 | 28148076604 |
15 | 145eb00c12a |
hex | ada280285c |
745755650140 has 96 divisors (see below), whose sum is σ = 1671342640128. Its totient is φ = 278536320000.
The previous prime is 745755650137. The next prime is 745755650141. The reversal of 745755650140 is 41056557547.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (745755650141) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41627785 + ... + 41645695.
It is an arithmetic number, because the mean of its divisors is an integer number (17409819168).
Almost surely, 2745755650140 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 745755650140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (835671320064).
745755650140 is an abundant number, since it is smaller than the sum of its proper divisors (925586989988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
745755650140 is a wasteful number, since it uses less digits than its factorization.
745755650140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18899 (or 18897 counting only the distinct ones).
The product of its (nonzero) digits is 2940000, while the sum is 49.
The spelling of 745755650140 in words is "seven hundred forty-five billion, seven hundred fifty-five million, six hundred fifty thousand, one hundred forty".
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