Base | Representation |
---|---|
bin | 100000010100011111000… |
… | …111000000000100010010 |
3 | 21212022211201000020111011 |
4 | 200110133013000010102 |
5 | 242342122111133020 |
6 | 4420153355041134 |
7 | 316314642454120 |
oct | 40243707000422 |
9 | 7768751006434 |
10 | 2221020021010 |
11 | 786a2499997a |
12 | 2ba5471401aa |
13 | 1315976881ab |
14 | 796d84d6910 |
15 | 3cb91a0635a |
hex | 2051f1c0112 |
2221020021010 has 64 divisors (see below), whose sum is σ = 5048053166592. Its totient is φ = 685538067456.
The previous prime is 2221020020981. The next prime is 2221020021013. The reversal of 2221020021010 is 101200201222.
It is a happy number.
It is a super-3 number, since 3×22210200210103 (a number of 38 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (2221020021013) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40546617 + ... + 40601356.
It is an arithmetic number, because the mean of its divisors is an integer number (78875830728).
Almost surely, 22221020021010 is an apocalyptic number.
2221020021010 is an abundant number, since it is smaller than the sum of its proper divisors (2827033145582).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2221020021010 is a wasteful number, since it uses less digits than its factorization.
2221020021010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81148027.
The product of its (nonzero) digits is 32, while the sum is 13.
Adding to 2221020021010 its reverse (101200201222), we get a palindrome (2322220222232).
The spelling of 2221020021010 in words is "two trillion, two hundred twenty-one billion, twenty million, twenty-one thousand, ten".
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