Base | Representation |
---|---|
bin | 10011110110111101… |
… | …101010110011001110 |
3 | 2001001001102100010121 |
4 | 103312331222303032 |
5 | 322132221333124 |
6 | 13443514455154 |
7 | 1353260316343 |
oct | 236675526316 |
9 | 61031370117 |
10 | 21323230414 |
11 | 9052453682 |
12 | 41711344ba |
13 | 201a887505 |
14 | 1063d327ca |
15 | 84bee92e4 |
hex | 4f6f6acce |
21323230414 has 8 divisors (see below), whose sum is σ = 31985790768. Its totient is φ = 10661300160.
The previous prime is 21323230363. The next prime is 21323230477. The reversal of 21323230414 is 41403232312.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×213232304142 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
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, 61122 + ... + 215365.
It is an arithmetic number, because the mean of its divisors is an integer number (3998223846).
Almost surely, 221323230414 is an apocalyptic number.
21323230414 is a deficient number, since it is larger than the sum of its proper divisors (10662560354).
21323230414 is a wasteful number, since it uses less digits than its factorization.
21323230414 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 315050.
The product of its (nonzero) digits is 3456, while the sum is 25.
Adding to 21323230414 its reverse (41403232312), we get a palindrome (62726462726).
The spelling of 21323230414 in words is "twenty-one billion, three hundred twenty-three million, two hundred thirty thousand, four hundred fourteen".
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