Base | Representation |
---|---|
bin | 100000011110101011001… |
… | …001011000001011010000 |
3 | 21220101002002100201002010 |
4 | 200132223021120023100 |
5 | 243032023100421010 |
6 | 4425203055422520 |
7 | 320153014530654 |
oct | 40365311301320 |
9 | 7811062321063 |
10 | 2231959388880 |
11 | 790628984971 |
12 | 30069a824a40 |
13 | 13261bb73c30 |
14 | 7a055302a64 |
15 | 3d0d20ba620 |
hex | 207ab2582d0 |
2231959388880 has 320 divisors, whose sum is σ = 7824844177920. Its totient is φ = 522168311808.
The previous prime is 2231959388873. The next prime is 2231959388917. The reversal of 2231959388880 is 888839591322.
It is a super-3 number, since 3×22319593888803 (a number of 38 digits) contains 333 as substring.
It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11167266 + ... + 11365374.
It is an arithmetic number, because the mean of its divisors is an integer number (24452638056).
Almost surely, 22231959388880 is an apocalyptic number.
2231959388880 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 2231959388880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3912422088960).
2231959388880 is an abundant number, since it is smaller than the sum of its proper divisors (5592884789040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2231959388880 is a wasteful number, since it uses less digits than its factorization.
2231959388880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 198318 (or 198312 counting only the distinct ones).
The product of its (nonzero) digits is 59719680, while the sum is 66.
The spelling of 2231959388880 in words is "two trillion, two hundred thirty-one billion, nine hundred fifty-nine million, three hundred eighty-eight thousand, eight hundred eighty".
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