Base | Representation |
---|---|
bin | 10010110110100001… |
… | …01000001100110010 |
3 | 222010100111002122101 |
4 | 21123100220030302 |
5 | 131211440121320 |
6 | 4352144331014 |
7 | 505544152360 |
oct | 113320501462 |
9 | 28110432571 |
10 | 10121020210 |
11 | 4324063314 |
12 | 1b65613a6a |
13 | c53ab0872 |
14 | 6c0266630 |
15 | 3e3815c0a |
hex | 25b428332 |
10121020210 has 32 divisors (see below), whose sum is σ = 22045115520. Its totient is φ = 3265942272.
The previous prime is 10121020207. The next prime is 10121020241. The reversal of 10121020210 is 1202012101.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4251340 + ... + 4253719.
It is an arithmetic number, because the mean of its divisors is an integer number (688909860).
Almost surely, 210121020210 is an apocalyptic number.
10121020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
10121020210 is an abundant number, since it is smaller than the sum of its proper divisors (11924095310).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10121020210 is a wasteful number, since it uses less digits than its factorization.
10121020210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8505090.
The product of its (nonzero) digits is 8, while the sum is 10.
Adding to 10121020210 its reverse (1202012101), we get a palindrome (11323032311).
The spelling of 10121020210 in words is "ten billion, one hundred twenty-one million, twenty thousand, two hundred ten".
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