Base | Representation |
---|---|
bin | 11100010100111001… |
… | …100011010000101001 |
3 | 2220111200221111211022 |
4 | 130110321203100221 |
5 | 444242320331100 |
6 | 21550031342225 |
7 | 2124502436321 |
oct | 342471432051 |
9 | 86450844738 |
10 | 30415402025 |
11 | 11998779798 |
12 | 5a8a081975 |
13 | 2b3946a008 |
14 | 168769c281 |
15 | bd0330e85 |
hex | 714e63429 |
30415402025 has 12 divisors (see below), whose sum is σ = 37721449884. Its totient is φ = 24328224000.
The previous prime is 30415402007. The next prime is 30415402067. The reversal of 30415402025 is 52020451403.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 9161552656 + 21253849369 = 95716^2 + 145787^2 .
It is not a de Polignac number, because 30415402025 - 216 = 30415336489 is a prime.
It is a super-3 number, since 3×304154020253 (a number of 32 digits) contains 333 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30415401985 and 30415402003.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53645 + ... + 252405.
It is an arithmetic number, because the mean of its divisors is an integer number (3143454157).
Almost surely, 230415402025 is an apocalyptic number.
It is an amenable number.
30415402025 is a deficient number, since it is larger than the sum of its proper divisors (7306047859).
30415402025 is a wasteful number, since it uses less digits than its factorization.
30415402025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 204892 (or 204887 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 26.
Adding to 30415402025 its reverse (52020451403), we get a palindrome (82435853428).
The spelling of 30415402025 in words is "thirty billion, four hundred fifteen million, four hundred two thousand, twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •