Base | Representation |
---|---|
bin | 10011111101010101… |
… | …100010010101101110 |
3 | 2001022111121102221011 |
4 | 103331111202111232 |
5 | 322342104304020 |
6 | 13502254255434 |
7 | 1356026162626 |
oct | 237525422556 |
9 | 61274542834 |
10 | 21430150510 |
11 | 90a784129a |
12 | 41a0ab757a |
13 | 2036a81a42 |
14 | 1074205886 |
15 | 8565b935a |
hex | 4fd56256e |
21430150510 has 16 divisors (see below), whose sum is σ = 39228073200. Its totient is φ = 8426770816.
The previous prime is 21430150453. The next prime is 21430150541. The reversal of 21430150510 is 1505103412.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18160555 + ... + 18161734.
It is an arithmetic number, because the mean of its divisors is an integer number (2451754575).
Almost surely, 221430150510 is an apocalyptic number.
21430150510 is a deficient number, since it is larger than the sum of its proper divisors (17797922690).
21430150510 is a wasteful number, since it uses less digits than its factorization.
21430150510 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36322355.
The product of its (nonzero) digits is 600, while the sum is 22.
Adding to 21430150510 its reverse (1505103412), we get a palindrome (22935253922).
The spelling of 21430150510 in words is "twenty-one billion, four hundred thirty million, one hundred fifty thousand, five hundred ten".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •