Base | Representation |
---|---|
bin | 1001001100010000010111… |
… | …01100100101010000101110 |
3 | 2122120021111210120102111220 |
4 | 10212020023230211100232 |
5 | 10122124303424100220 |
6 | 110553224052124210 |
7 | 4154201641041351 |
oct | 446101354452056 |
9 | 78507453512456 |
10 | 20212312331310 |
11 | 6492aa2416a60 |
12 | 2325346606666 |
13 | b38022392248 |
14 | 4dc3d1620298 |
15 | 250b7e1c3540 |
hex | 12620bb2542e |
20212312331310 has 32 divisors (see below), whose sum is σ = 52919508650112. Its totient is φ = 4899954504480.
The previous prime is 20212312331269. The next prime is 20212312331359. The reversal of 20212312331310 is 1313321321202.
It is a super-2 number, since 2×202123123313102 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
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 15 ways as a sum of consecutive naturals, for example, 30624715324 + ... + 30624715983.
It is an arithmetic number, because the mean of its divisors is an integer number (1653734645316).
Almost surely, 220212312331310 is an apocalyptic number.
20212312331310 is an abundant number, since it is smaller than the sum of its proper divisors (32707196318802).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20212312331310 is a wasteful number, since it uses less digits than its factorization.
20212312331310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61249431328.
The product of its (nonzero) digits is 1296, while the sum is 24.
Adding to 20212312331310 its reverse (1313321321202), we get a palindrome (21525633652512).
The spelling of 20212312331310 in words is "twenty trillion, two hundred twelve billion, three hundred twelve million, three hundred thirty-one thousand, three hundred ten".
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