Base | Representation |
---|---|
bin | 1101101001011111110001… |
… | …10101010001101111100111 |
3 | 10221021020002022202101112202 |
4 | 12310233320311101233213 |
5 | 12413213322432304111 |
6 | 143455455530005115 |
7 | 6215242606020122 |
oct | 664577065215747 |
9 | 127236068671482 |
10 | 30013111213031 |
11 | 9621541926501 |
12 | 34488aa27679b |
13 | 13992bb87c47b |
14 | 75a8dc7c53b9 |
15 | 370a9ad97b3b |
hex | 1b4bf8d51be7 |
30013111213031 has 8 divisors (see below), whose sum is σ = 30592175145840. Its totient is φ = 29434520569792.
The previous prime is 30013111212989. The next prime is 30013111213049. The reversal of 30013111213031 is 13031211131003.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30013111213031 - 26 = 30013111212967 is a prime.
It is a super-2 number, since 2×300131112130312 (a number of 28 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 = 30013111212994 and 30013111213012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30013111213831) 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, 118194341 + ... + 118447998.
It is an arithmetic number, because the mean of its divisors is an integer number (3824021893230).
Almost surely, 230013111213031 is an apocalyptic number.
30013111213031 is a deficient number, since it is larger than the sum of its proper divisors (579063932809).
30013111213031 is a wasteful number, since it uses less digits than its factorization.
30013111213031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 236644785.
The product of its (nonzero) digits is 162, while the sum is 20.
Adding to 30013111213031 its reverse (13031211131003), we get a palindrome (43044322344034).
The spelling of 30013111213031 in words is "thirty trillion, thirteen billion, one hundred eleven million, two hundred thirteen thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •