Base | Representation |
---|---|
bin | 1100100111011000011… |
… | …1111010101101000001 |
3 | 202201102022000110012020 |
4 | 3021312013322231001 |
5 | 12022330404323440 |
6 | 243321531152053 |
7 | 21441526615422 |
oct | 3116607725501 |
9 | 681368013166 |
10 | 216730151745 |
11 | 83a0757a898 |
12 | 360065a5629 |
13 | 1758c440853 |
14 | a6bddd9649 |
15 | 59870e63d0 |
hex | 32761fab41 |
216730151745 has 16 divisors (see below), whose sum is σ = 346774046400. Its totient is φ = 115587479744.
The previous prime is 216730151731. The next prime is 216730151749. The reversal of 216730151745 is 547151037612.
It is a cyclic number.
It is not a de Polignac number, because 216730151745 - 25 = 216730151713 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 216730151697 and 216730151706.
It is not an unprimeable number, because it can be changed into a prime (216730151749) 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, 1551031 + ... + 1684979.
It is an arithmetic number, because the mean of its divisors is an integer number (21673377900).
Almost surely, 2216730151745 is an apocalyptic number.
It is an amenable number.
216730151745 is a deficient number, since it is larger than the sum of its proper divisors (130043894655).
216730151745 is a wasteful number, since it uses less digits than its factorization.
216730151745 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 241824.
The product of its (nonzero) digits is 176400, while the sum is 42.
The spelling of 216730151745 in words is "two hundred sixteen billion, seven hundred thirty million, one hundred fifty-one thousand, seven hundred forty-five".
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