Base | Representation |
---|---|
bin | 10010110110101001… |
… | …10101011100001101 |
3 | 222010102120010102020 |
4 | 21123110311130031 |
5 | 131212230414041 |
6 | 4352224120353 |
7 | 505556424513 |
oct | 113324653415 |
9 | 28112503366 |
10 | 10122123021 |
11 | 432474692a |
12 | 1b65a660b9 |
13 | c540a880a |
14 | 6c04724b3 |
15 | 3e3982866 |
hex | 25b53570d |
10122123021 has 8 divisors (see below), whose sum is σ = 13697599584. Its totient is φ = 6647364240.
The previous prime is 10122123019. The next prime is 10122123029. The reversal of 10122123021 is 12032122101.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 10122123021 - 21 = 10122123019 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10122123029) 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, 25179210 + ... + 25179611.
It is an arithmetic number, because the mean of its divisors is an integer number (1712199948).
Almost surely, 210122123021 is an apocalyptic number.
It is an amenable number.
10122123021 is a deficient number, since it is larger than the sum of its proper divisors (3575476563).
10122123021 is an equidigital number, since it uses as much as digits as its factorization.
10122123021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50358891.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 10122123021 its reverse (12032122101), we get a palindrome (22154245122).
The spelling of 10122123021 in words is "ten billion, one hundred twenty-two million, one hundred twenty-three thousand, twenty-one".
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