Base | Representation |
---|---|
bin | 11100000101001110… |
… | …011110101110100111 |
3 | 2212211101011022121200 |
4 | 130011032132232213 |
5 | 443223011444111 |
6 | 21503555413543 |
7 | 2115130423221 |
oct | 340516365647 |
9 | 85741138550 |
10 | 30152453031 |
11 | 11873301278 |
12 | 5a15bb42b3 |
13 | 2ac6b426ac |
14 | 16607b1411 |
15 | bb71e0256 |
hex | 70539eba7 |
30152453031 has 24 divisors (see below), whose sum is σ = 44942764464. Its totient is φ = 19465608960.
The previous prime is 30152452987. The next prime is 30152453057. The reversal of 30152453031 is 13035425103.
30152453031 is a `hidden beast` number, since 30 + 152 + 453 + 0 + 31 = 666.
It is not a de Polignac number, because 30152453031 - 211 = 30152450983 is a prime.
It is a super-2 number, since 2×301524530312 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30152452986 and 30152453004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30152453081) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144306 + ... + 284831.
It is an arithmetic number, because the mean of its divisors is an integer number (1872615186).
Almost surely, 230152453031 is an apocalyptic number.
30152453031 is a deficient number, since it is larger than the sum of its proper divisors (14790311433).
30152453031 is a wasteful number, since it uses less digits than its factorization.
30152453031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 429391 (or 429388 counting only the distinct ones).
The product of its (nonzero) digits is 5400, while the sum is 27.
Adding to 30152453031 its reverse (13035425103), we get a palindrome (43187878134).
The spelling of 30152453031 in words is "thirty billion, one hundred fifty-two million, four hundred fifty-three thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.090 sec. • engine limits •