Base | Representation |
---|---|
bin | 11100010111100111… |
… | …111000000010110111 |
3 | 2220121212221012221212 |
4 | 130113213320002313 |
5 | 444341020201330 |
6 | 21554343032035 |
7 | 2125566036230 |
oct | 342747700267 |
9 | 86555835855 |
10 | 30461100215 |
11 | 11a11551497 |
12 | 5aa143b61b |
13 | 2b45a7a370 |
14 | 168d796087 |
15 | bd435b295 |
hex | 7179f80b7 |
30461100215 has 64 divisors (see below), whose sum is σ = 45600952320. Its totient is φ = 19020096000.
The previous prime is 30461100209. The next prime is 30461100221. The reversal of 30461100215 is 51200116403.
It is an interprime number because it is at equal distance from previous prime (30461100209) and next prime (30461100221).
It is not a de Polignac number, because 30461100215 - 216 = 30461034679 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12447122 + ... + 12449568.
It is an arithmetic number, because the mean of its divisors is an integer number (712514880).
Almost surely, 230461100215 is an apocalyptic number.
30461100215 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
30461100215 is a deficient number, since it is larger than the sum of its proper divisors (15139852105).
30461100215 is a wasteful number, since it uses less digits than its factorization.
30461100215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2832.
The product of its (nonzero) digits is 720, while the sum is 23.
Adding to 30461100215 its reverse (51200116403), we get a palindrome (81661216618).
The spelling of 30461100215 in words is "thirty billion, four hundred sixty-one million, one hundred thousand, two hundred fifteen".
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