Base | Representation |
---|---|
bin | 11100010111011010… |
… | …101000001001111101 |
3 | 2220121122101202221221 |
4 | 130113122220021331 |
5 | 444334123033021 |
6 | 21554140353341 |
7 | 2125524363055 |
oct | 342732501175 |
9 | 86548352857 |
10 | 30457627261 |
11 | 11a0a59a186 |
12 | 5aa0245851 |
13 | 2b45132669 |
14 | 168d130565 |
15 | bd3dc2241 |
hex | 7176a827d |
30457627261 has 16 divisors (see below), whose sum is σ = 33383750400. Its totient is φ = 27658891008.
The previous prime is 30457627243. The next prime is 30457627297. The reversal of 30457627261 is 16272675403.
It is a cyclic number.
It is not a de Polignac number, because 30457627261 - 217 = 30457496189 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30457627661) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 740680 + ... + 780718.
It is an arithmetic number, because the mean of its divisors is an integer number (2086484400).
Almost surely, 230457627261 is an apocalyptic number.
It is an amenable number.
30457627261 is a deficient number, since it is larger than the sum of its proper divisors (2926123139).
30457627261 is a wasteful number, since it uses less digits than its factorization.
30457627261 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41628.
The product of its (nonzero) digits is 423360, while the sum is 43.
The spelling of 30457627261 in words is "thirty billion, four hundred fifty-seven million, six hundred twenty-seven thousand, two hundred sixty-one".
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