Base | Representation |
---|---|
bin | 11101011010010100001… |
… | …001010111000110100010 |
3 | 21011012212100001122122210 |
4 | 131122110021113012202 |
5 | 231103223222023020 |
6 | 4144253442142550 |
7 | 266010145325520 |
oct | 35322411270642 |
9 | 7135770048583 |
10 | 2021120111010 |
11 | 70a174680890 |
12 | 287859051a56 |
13 | 11878b011790 |
14 | 6db7382b310 |
15 | 378922533e0 |
hex | 1d6942571a2 |
2021120111010 has 128 divisors (see below), whose sum is σ = 6512812314624. Its totient is φ = 387667388160.
The previous prime is 2021120110963. The next prime is 2021120111081. The reversal of 2021120111010 is 101110211202.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33621654 + ... + 33681713.
It is an arithmetic number, because the mean of its divisors is an integer number (50881346208).
Almost surely, 22021120111010 is an apocalyptic number.
2021120111010 is an abundant number, since it is smaller than the sum of its proper divisors (4491692203614).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2021120111010 is a wasteful number, since it uses less digits than its factorization.
2021120111010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67303408.
The product of its (nonzero) digits is 8, while the sum is 12.
Adding to 2021120111010 its reverse (101110211202), we get a palindrome (2122230322212).
The spelling of 2021120111010 in words is "two trillion, twenty-one billion, one hundred twenty million, one hundred eleven thousand, ten".
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