Base | Representation |
---|---|
bin | 11100001000011101… |
… | …001010000010111101 |
3 | 2212222011002220100210 |
4 | 130020131022002331 |
5 | 443330344212000 |
6 | 21513212543033 |
7 | 2116356064605 |
oct | 341035120275 |
9 | 85864086323 |
10 | 30206632125 |
11 | 118a094688a |
12 | 5a30181a79 |
13 | 2b05132027 |
14 | 1667a75c05 |
15 | bbbd43350 |
hex | 70874a0bd |
30206632125 has 32 divisors (see below), whose sum is σ = 51489809280. Its totient is φ = 15717264000.
The previous prime is 30206632123. The next prime is 30206632171. The reversal of 30206632125 is 52123660203.
It is not a de Polignac number, because 30206632125 - 21 = 30206632123 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30206632092 and 30206632101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30206632123) 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, 966955 + ... + 997704.
It is an arithmetic number, because the mean of its divisors is an integer number (1609056540).
Almost surely, 230206632125 is an apocalyptic number.
It is an amenable number.
30206632125 is a deficient number, since it is larger than the sum of its proper divisors (21283177155).
30206632125 is a wasteful number, since it uses less digits than its factorization.
30206632125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1964718 (or 1964708 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 30.
The spelling of 30206632125 in words is "thirty billion, two hundred six million, six hundred thirty-two thousand, one hundred twenty-five".
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