Base | Representation |
---|---|
bin | 10011110001100010… |
… | …000011000001011010 |
3 | 2000210200221121112020 |
4 | 103301202003001122 |
5 | 321440404303024 |
6 | 13430501355310 |
7 | 1351102621266 |
oct | 236142030132 |
9 | 60720847466 |
10 | 21232103514 |
11 | 9005a72696 |
12 | 4146708b36 |
13 | 2004a2c67b |
14 | 1055bb10a6 |
15 | 843ee8979 |
hex | 4f188305a |
21232103514 has 8 divisors (see below), whose sum is σ = 42464207040. Its totient is φ = 7077367836.
The previous prime is 21232103483. The next prime is 21232103521. The reversal of 21232103514 is 41530123212.
It is a sphenic number, since it is the product of 3 distinct primes.
21232103514 is an admirable number.
It is a super-2 number, since 2×212321035142 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1769341954 + ... + 1769341965.
It is an arithmetic number, because the mean of its divisors is an integer number (5308025880).
Almost surely, 221232103514 is an apocalyptic number.
21232103514 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21232103514 is a wasteful number, since it uses less digits than its factorization.
21232103514 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3538683924.
The product of its (nonzero) digits is 1440, while the sum is 24.
Adding to 21232103514 its reverse (41530123212), we get a palindrome (62762226726).
The spelling of 21232103514 in words is "twenty-one billion, two hundred thirty-two million, one hundred three thousand, five hundred fourteen".
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