Base | Representation |
---|---|
bin | 11100011011010110… |
… | …001000001000001001 |
3 | 2220210020110022200110 |
4 | 130123112020020021 |
5 | 1000003012300421 |
6 | 22004453424533 |
7 | 2130254643144 |
oct | 343326101011 |
9 | 86706408613 |
10 | 30523556361 |
11 | 11a4382a741 |
12 | 5aba33b149 |
13 | 2b559a726c |
14 | 1697bb305b |
15 | bd9a96a76 |
hex | 71b588209 |
30523556361 has 4 divisors (see below), whose sum is σ = 40698075152. Its totient is φ = 20349037572.
The previous prime is 30523556347. The next prime is 30523556369. The reversal of 30523556361 is 16365532503.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 30523556361 - 213 = 30523548169 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (30523556369) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5087259391 + ... + 5087259396.
It is an arithmetic number, because the mean of its divisors is an integer number (10174518788).
Almost surely, 230523556361 is an apocalyptic number.
It is an amenable number.
30523556361 is a deficient number, since it is larger than the sum of its proper divisors (10174518791).
30523556361 is a wasteful number, since it uses less digits than its factorization.
30523556361 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10174518790.
The product of its (nonzero) digits is 243000, while the sum is 39.
The spelling of 30523556361 in words is "thirty billion, five hundred twenty-three million, five hundred fifty-six thousand, three hundred sixty-one".
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