Base | Representation |
---|---|
bin | 11110111000011101100… |
… | …110101001011000010110 |
3 | 21111212210111111020020020 |
4 | 132320131212221120112 |
5 | 234232241342430304 |
6 | 4302532520250010 |
7 | 306216232511022 |
oct | 36703546513026 |
9 | 7455714436206 |
10 | 2122210514454 |
11 | 74902a567158 |
12 | 2a3370010906 |
13 | 12517b6c1b54 |
14 | 74a0360d382 |
15 | 3a30c07a5d9 |
hex | 1ee1d9a9616 |
2122210514454 has 8 divisors (see below), whose sum is σ = 4244421028920. Its totient is φ = 707403504816.
The previous prime is 2122210514383. The next prime is 2122210514461. The reversal of 2122210514454 is 4544150122212.
It is a sphenic number, since it is the product of 3 distinct primes.
2122210514454 is an admirable number.
It is a super-2 number, since 2×21222105144542 (a number of 25 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, 176850876199 + ... + 176850876210.
It is an arithmetic number, because the mean of its divisors is an integer number (530552628615).
Almost surely, 22122210514454 is an apocalyptic number.
2122210514454 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.
2122210514454 is a wasteful number, since it uses less digits than its factorization.
2122210514454 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 353701752414.
The product of its (nonzero) digits is 25600, while the sum is 33.
Adding to 2122210514454 its reverse (4544150122212), we get a palindrome (6666360636666).
The spelling of 2122210514454 in words is "two trillion, one hundred twenty-two billion, two hundred ten million, five hundred fourteen thousand, four hundred fifty-four".
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