Base | Representation |
---|---|
bin | 10011110110001100… |
… | …110001000111001110 |
3 | 2001000011022001111102 |
4 | 103312030301013032 |
5 | 322120431124324 |
6 | 13442340023102 |
7 | 1353043335521 |
oct | 236614610716 |
9 | 61004261442 |
10 | 21310411214 |
11 | 90461983a4 |
12 | 4168991a92 |
13 | 20180196a1 |
14 | 1062356bb8 |
15 | 84ad15dae |
hex | 4f63311ce |
21310411214 has 16 divisors (see below), whose sum is σ = 34505615520. Its totient is φ = 9840489120.
The previous prime is 21310411163. The next prime is 21310411219. The reversal of 21310411214 is 41211401312.
It is a super-3 number, since 3×213104112143 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21310411219) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7986077 + ... + 7988744.
It is an arithmetic number, because the mean of its divisors is an integer number (2156600970).
Almost surely, 221310411214 is an apocalyptic number.
21310411214 is a deficient number, since it is larger than the sum of its proper divisors (13195204306).
21310411214 is a wasteful number, since it uses less digits than its factorization.
21310411214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15974875.
The product of its (nonzero) digits is 192, while the sum is 20.
Adding to 21310411214 its reverse (41211401312), we get a palindrome (62521812526).
The spelling of 21310411214 in words is "twenty-one billion, three hundred ten million, four hundred eleven thousand, two hundred fourteen".
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