Base | Representation |
---|---|
bin | 11100010111000101… |
… | …001111100010110001 |
3 | 2220121020211222012101 |
4 | 130113011033202301 |
5 | 444331204141200 |
6 | 21553420300401 |
7 | 2125425624400 |
oct | 342705174261 |
9 | 86536758171 |
10 | 30452021425 |
11 | 11a07410461 |
12 | 5a9a3a1701 |
13 | 2b43c1bbb7 |
14 | 168c4b1637 |
15 | bd366626a |
hex | 71714f8b1 |
30452021425 has 36 divisors (see below), whose sum is σ = 43980064560. Its totient is φ = 20855442720.
The previous prime is 30452021419. The next prime is 30452021429. The reversal of 30452021425 is 52412025403.
It is not a de Polignac number, because 30452021425 - 25 = 30452021393 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30452021393 and 30452021402.
It is not an unprimeable number, because it can be changed into a prime (30452021429) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 998046 + ... + 1028104.
It is an arithmetic number, because the mean of its divisors is an integer number (1221668460).
Almost surely, 230452021425 is an apocalyptic number.
30452021425 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30452021425 is a deficient number, since it is larger than the sum of its proper divisors (13528043135).
30452021425 is a wasteful number, since it uses less digits than its factorization.
30452021425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30910 (or 30898 counting only the distinct ones).
The product of its (nonzero) digits is 9600, while the sum is 28.
Adding to 30452021425 its reverse (52412025403), we get a palindrome (82864046828).
The spelling of 30452021425 in words is "thirty billion, four hundred fifty-two million, twenty-one thousand, four hundred twenty-five".
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