Base | Representation |
---|---|
bin | 11100100001110001… |
… | …001100011001000011 |
3 | 2221001202020000202120 |
4 | 130201301030121003 |
5 | 1000213104040021 |
6 | 22023303215323 |
7 | 2133033611253 |
oct | 344161143103 |
9 | 87052200676 |
10 | 30631315011 |
11 | 11a99640380 |
12 | 5b2a447543 |
13 | 2b7210638b |
14 | 16a8223963 |
15 | be42802c6 |
hex | 721c4c643 |
30631315011 has 32 divisors (see below), whose sum is σ = 44862461952. Its totient is φ = 18436584960.
The previous prime is 30631314997. The next prime is 30631315019. The reversal of 30631315011 is 11051313603.
It is not a de Polignac number, because 30631315011 - 29 = 30631314499 is a prime.
It is a super-2 number, since 2×306313150112 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30631315019) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3181641 + ... + 3191253.
It is an arithmetic number, because the mean of its divisors is an integer number (1401951936).
Almost surely, 230631315011 is an apocalyptic number.
30631315011 is a deficient number, since it is larger than the sum of its proper divisors (14231146941).
30631315011 is a wasteful number, since it uses less digits than its factorization.
30631315011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10283.
The product of its (nonzero) digits is 810, while the sum is 24.
Adding to 30631315011 its reverse (11051313603), we get a palindrome (41682628614).
The spelling of 30631315011 in words is "thirty billion, six hundred thirty-one million, three hundred fifteen thousand, eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.088 sec. • engine limits •