Base | Representation |
---|---|
bin | 11101011010010100001… |
… | …001010111011000000010 |
3 | 21011012212100001201012021 |
4 | 131122110021113120002 |
5 | 231103223222042010 |
6 | 4144253442152054 |
7 | 266010145332010 |
oct | 35322411273002 |
9 | 7135770051167 |
10 | 2021120112130 |
11 | 70a174681709 |
12 | 28785905262a |
13 | 11878b012142 |
14 | 6db7382b8b0 |
15 | 378922538da |
hex | 1d694257602 |
2021120112130 has 64 divisors (see below), whose sum is σ = 4301403575040. Its totient is φ = 669013680384.
The previous prime is 2021120112031. The next prime is 2021120112149. The reversal of 2021120112130 is 312110211202.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40824952 + ... + 40874428.
It is an arithmetic number, because the mean of its divisors is an integer number (67209430860).
Almost surely, 22021120112130 is an apocalyptic number.
2021120112130 is an abundant number, since it is smaller than the sum of its proper divisors (2280283462910).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2021120112130 is a wasteful number, since it uses less digits than its factorization.
2021120112130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69643.
The product of its (nonzero) digits is 48, while the sum is 16.
Adding to 2021120112130 its reverse (312110211202), we get a palindrome (2333230323332).
The spelling of 2021120112130 in words is "two trillion, twenty-one billion, one hundred twenty million, one hundred twelve thousand, one hundred thirty".
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