Base | Representation |
---|---|
bin | 11100000010111001… |
… | …001100110001011111 |
3 | 2212201122112011020022 |
4 | 130002321030301133 |
5 | 443133002220111 |
6 | 21500040542355 |
7 | 2114143665644 |
oct | 340271146137 |
9 | 85648464208 |
10 | 30113320031 |
11 | 11853203053 |
12 | 5a04a819bb |
13 | 2abb9c0682 |
14 | 1659505dcb |
15 | bb3a602db |
hex | 702e4cc5f |
30113320031 has 8 divisors (see below), whose sum is σ = 30320808000. Its totient is φ = 29905904160.
The previous prime is 30113320021. The next prime is 30113320049. The reversal of 30113320031 is 13002331103.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30113320031 is a prime.
It is a super-2 number, since 2×301133200312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30113319991 and 30113320009.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30113320021) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1027205 + ... + 1056113.
It is an arithmetic number, because the mean of its divisors is an integer number (3790101000).
Almost surely, 230113320031 is an apocalyptic number.
30113320031 is a deficient number, since it is larger than the sum of its proper divisors (207487969).
30113320031 is a wasteful number, since it uses less digits than its factorization.
30113320031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36049.
The product of its (nonzero) digits is 162, while the sum is 17.
Adding to 30113320031 its reverse (13002331103), we get a palindrome (43115651134).
The spelling of 30113320031 in words is "thirty billion, one hundred thirteen million, three hundred twenty thousand, thirty-one".
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