Base | Representation |
---|---|
bin | 11110111000010001000… |
… | …100000001111100001101 |
3 | 21111212020211120202021101 |
4 | 132320101010001330031 |
5 | 234231324012112141 |
6 | 4302500002503101 |
7 | 306211066233646 |
oct | 36702104017415 |
9 | 7455224522241 |
10 | 2122000113421 |
11 | 748a3181a801 |
12 | 2a3311664a91 |
13 | 125146c355b6 |
14 | 749c36c06cd |
15 | 3a2e8869531 |
hex | 1ee11101f0d |
2122000113421 has 4 divisors (see below), whose sum is σ = 2171348953312. Its totient is φ = 2072651273532.
The previous prime is 2122000113341. The next prime is 2122000113449. The reversal of 2122000113421 is 1243110002212.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 2122000113421 - 29 = 2122000112909 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2122000113491) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24674419881 + ... + 24674419966.
It is an arithmetic number, because the mean of its divisors is an integer number (542837238328).
Almost surely, 22122000113421 is an apocalyptic number.
It is an amenable number.
2122000113421 is a deficient number, since it is larger than the sum of its proper divisors (49348839891).
2122000113421 is an equidigital number, since it uses as much as digits as its factorization.
2122000113421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49348839890.
The product of its (nonzero) digits is 192, while the sum is 19.
Adding to 2122000113421 its reverse (1243110002212), we get a palindrome (3365110115633).
The spelling of 2122000113421 in words is "two trillion, one hundred twenty-two billion, one hundred thirteen thousand, four hundred twenty-one".
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