Base | Representation |
---|---|
bin | 10111000110011101… |
… | …01110000111001010 |
3 | 1012000022222010112120 |
4 | 23203032232013022 |
5 | 200344432042024 |
6 | 5410354352110 |
7 | 616224100134 |
oct | 134316560712 |
9 | 35008863476 |
10 | 12402221514 |
11 | 5294804651 |
12 | 24a158b636 |
13 | 12285a3317 |
14 | 859200054 |
15 | 4c8c22479 |
hex | 2e33ae1ca |
12402221514 has 32 divisors (see below), whose sum is σ = 26439825600. Its totient is φ = 3864774912.
The previous prime is 12402221477. The next prime is 12402221539. The reversal of 12402221514 is 41512220421.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 392824 + ... + 423219.
It is an arithmetic number, because the mean of its divisors is an integer number (826244550).
Almost surely, 212402221514 is an apocalyptic number.
12402221514 is an abundant number, since it is smaller than the sum of its proper divisors (14037604086).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12402221514 is a wasteful number, since it uses less digits than its factorization.
12402221514 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 816214.
The product of its (nonzero) digits is 1280, while the sum is 24.
Adding to 12402221514 its reverse (41512220421), we get a palindrome (53914441935).
The spelling of 12402221514 in words is "twelve billion, four hundred two million, two hundred twenty-one thousand, five hundred fourteen".
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