Base | Representation |
---|---|
bin | 10011000001001000… |
… | …01000101101111101 |
3 | 222100112221202201002 |
4 | 21200210020231331 |
5 | 131402231121341 |
6 | 4405044100045 |
7 | 511004511542 |
oct | 114044105575 |
9 | 28315852632 |
10 | 10210020221 |
11 | 436a321345 |
12 | 1b8b394625 |
13 | c693725ab |
14 | 6cbdd2bc9 |
15 | 3eb54629b |
hex | 260908b7d |
10210020221 has 8 divisors (see below), whose sum is σ = 10542336000. Its totient is φ = 9877889520.
The previous prime is 10210020211. The next prime is 10210020239. The reversal of 10210020221 is 12202001201.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-10210020221 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 (10210020211) 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, 70580 + ... + 159378.
It is an arithmetic number, because the mean of its divisors is an integer number (1317792000).
Almost surely, 210210020221 is an apocalyptic number.
It is an amenable number.
10210020221 is a deficient number, since it is larger than the sum of its proper divisors (332315779).
10210020221 is an equidigital number, since it uses as much as digits as its factorization.
10210020221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 92539.
The product of its (nonzero) digits is 16, while the sum is 11.
Adding to 10210020221 its reverse (12202001201), we get a palindrome (22412021422).
The spelling of 10210020221 in words is "ten billion, two hundred ten million, twenty thousand, two hundred twenty-one".
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