Base | Representation |
---|---|
bin | 11110111000011101001… |
… | …010011110110010001100 |
3 | 21111212202222121010001201 |
4 | 132320131022132302030 |
5 | 234232233000143040 |
6 | 4302532054115244 |
7 | 306216112660000 |
oct | 36703512366214 |
9 | 7455688533051 |
10 | 2122203131020 |
11 | 749026383945 |
12 | 2a336964bb24 |
13 | 12517a00825b |
14 | 74a0264a700 |
15 | 3a30b5bca9a |
hex | 1ee1d29ec8c |
2122203131020 has 120 divisors (see below), whose sum is σ = 5204339968464. Its totient is φ = 726877565568.
The previous prime is 2122203130973. The next prime is 2122203131039. The reversal of 2122203131020 is 201313022212.
It is a super-2 number, since 2×21222031310202 (a number of 25 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 48622447 + ... + 48666073.
Almost surely, 22122203131020 is an apocalyptic number.
2122203131020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2122203131020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2602169984232).
2122203131020 is an abundant number, since it is smaller than the sum of its proper divisors (3082136837444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2122203131020 is a wasteful number, since it uses less digits than its factorization.
2122203131020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44677 (or 44654 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 2122203131020 its reverse (201313022212), we get a palindrome (2323516153232).
The spelling of 2122203131020 in words is "two trillion, one hundred twenty-two billion, two hundred three million, one hundred thirty-one thousand, twenty".
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