Base | Representation |
---|---|
bin | 1001000111010011111101… |
… | …0100101111001010000010 |
3 | 1022111000112010110221101220 |
4 | 2101310333110233022002 |
5 | 2303141430100232320 |
6 | 33151404014535510 |
7 | 2053003125626043 |
oct | 221647724571202 |
9 | 38430463427356 |
10 | 10021221102210 |
11 | 3213a8107221a |
12 | 115a21a807596 |
13 | 578cc6805636 |
14 | 26905b6788ca |
15 | 125a1ceb6e40 |
hex | 91d3f52f282 |
10021221102210 has 32 divisors (see below), whose sum is σ = 25316769101760. Its totient is φ = 2531676909888.
The previous prime is 10021221102169. The next prime is 10021221102223. The reversal of 10021221102210 is 1220112212001.
10021221102210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 10021221102210.
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, 8790544257 + ... + 8790545396.
It is an arithmetic number, because the mean of its divisors is an integer number (791149034430).
Almost surely, 210021221102210 is an apocalyptic number.
10021221102210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
10021221102210 is an abundant number, since it is smaller than the sum of its proper divisors (15295547999550).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10021221102210 is a wasteful number, since it uses less digits than its factorization.
10021221102210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17581089682.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 10021221102210 its reverse (1220112212001), we get a palindrome (11241333314211).
The spelling of 10021221102210 in words is "ten trillion, twenty-one billion, two hundred twenty-one million, one hundred two thousand, two hundred ten".
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