Base | Representation |
---|---|
bin | 10011111111010101… |
… | …001001011101010110 |
3 | 2001101211120000011101 |
4 | 103333111021131112 |
5 | 322424140244110 |
6 | 13505451300314 |
7 | 1356613421062 |
oct | 237725113526 |
9 | 61354500141 |
10 | 21463603030 |
11 | 911470a701 |
12 | 41b014a69a |
13 | 204099532c |
14 | 1078832aa2 |
15 | 8594c613a |
hex | 4ff549756 |
21463603030 has 32 divisors (see below), whose sum is σ = 38770044768. Its totient is φ = 8555366400.
The previous prime is 21463603019. The next prime is 21463603039. The reversal of 21463603030 is 3030636412.
It is a self number, because there is not a number n which added to its sum of digits gives 21463603030.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21463603039) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4590774 + ... + 4595446.
It is an arithmetic number, because the mean of its divisors is an integer number (1211563899).
Almost surely, 221463603030 is an apocalyptic number.
21463603030 is a deficient number, since it is larger than the sum of its proper divisors (17306441738).
21463603030 is a wasteful number, since it uses less digits than its factorization.
21463603030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6192.
The product of its (nonzero) digits is 7776, while the sum is 28.
The spelling of 21463603030 in words is "twenty-one billion, four hundred sixty-three million, six hundred three thousand, thirty".
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