Base | Representation |
---|---|
bin | 11100011001110001… |
… | …011011001110010111 |
3 | 2220201101210010222211 |
4 | 130121301123032113 |
5 | 444424233024124 |
6 | 22002111534251 |
7 | 2126514365125 |
oct | 343161331627 |
9 | 86641703884 |
10 | 30497158039 |
11 | 11a2a93a247 |
12 | 5ab152a387 |
13 | 2b5039375a |
14 | 16944a0915 |
15 | bd75cee94 |
hex | 719c5b397 |
30497158039 has 32 divisors (see below), whose sum is σ = 33948794880. Its totient is φ = 27266054112.
The previous prime is 30497157989. The next prime is 30497158079. The reversal of 30497158039 is 93085179403.
It is a cyclic number.
It is not a de Polignac number, because 30497158039 - 225 = 30463603607 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30497157983 and 30497158001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30497158079) 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, 13817274 + ... + 13819480.
It is an arithmetic number, because the mean of its divisors is an integer number (1060899840).
Almost surely, 230497158039 is an apocalyptic number.
30497158039 is a deficient number, since it is larger than the sum of its proper divisors (3451636841).
30497158039 is a wasteful number, since it uses less digits than its factorization.
30497158039 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2659.
The product of its (nonzero) digits is 816480, while the sum is 49.
The spelling of 30497158039 in words is "thirty billion, four hundred ninety-seven million, one hundred fifty-eight thousand, thirty-nine".
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