Base | Representation |
---|---|
bin | 10010110110101000… |
… | …11110110010000000 |
3 | 222010102101102002201 |
4 | 21123110132302000 |
5 | 131212214431313 |
6 | 4352222122544 |
7 | 505555560103 |
oct | 113324366200 |
9 | 28112342081 |
10 | 10122030208 |
11 | 4324693124 |
12 | 1b65a20454 |
13 | c540754b4 |
14 | 6c044a73a |
15 | 3e39650dd |
hex | 25b51ec80 |
10122030208 has 128 divisors (see below), whose sum is σ = 21949012800. Its totient is φ = 4633251840.
The previous prime is 10122030199. The next prime is 10122030209. The reversal of 10122030208 is 80203022101.
It is a tau number, because it is divible by the number of its divisors (128).
It is a Harshad number since it is a multiple of its sum of digits (19).
It is not an unprimeable number, because it can be changed into a prime (10122030209) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17726563 + ... + 17727133.
Almost surely, 210122030208 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 10122030208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10974506400).
10122030208 is an abundant number, since it is smaller than the sum of its proper divisors (11826982592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10122030208 is a wasteful number, since it uses less digits than its factorization.
10122030208 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 838 (or 826 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 19.
Adding to 10122030208 its reverse (80203022101), we get a palindrome (90325052309).
The spelling of 10122030208 in words is "ten billion, one hundred twenty-two million, thirty thousand, two hundred eight".
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