Base | Representation |
---|---|
bin | 11110111001010101001… |
… | …000011000011001001100 |
3 | 21111222012102102220201220 |
4 | 132321111020120121030 |
5 | 234241143334322102 |
6 | 4303205155403340 |
7 | 306251304060312 |
oct | 36712510303114 |
9 | 7458172386656 |
10 | 2123142104652 |
11 | 749468405708 |
12 | 2a358bbb3550 |
13 | 1252996c925a |
14 | 74a912300b2 |
15 | 3a363c471bc |
hex | 1ee5521864c |
2123142104652 has 24 divisors (see below), whose sum is σ = 5074827470832. Its totient is φ = 690452716800.
The previous prime is 2123142104641. The next prime is 2123142104687. The reversal of 2123142104652 is 2564012413212.
It is a super-2 number, since 2×21231421046522 (a number of 25 digits) contains 22 as substring.
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 7 ways as a sum of consecutive naturals, for example, 2157664249 + ... + 2157665232.
It is an arithmetic number, because the mean of its divisors is an integer number (211451144618).
Almost surely, 22123142104652 is an apocalyptic number.
It is an amenable number.
2123142104652 is an abundant number, since it is smaller than the sum of its proper divisors (2951685366180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2123142104652 is a wasteful number, since it uses less digits than its factorization.
2123142104652 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4315329529 (or 4315329527 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 33.
Adding to 2123142104652 its reverse (2564012413212), we get a palindrome (4687154517864).
The spelling of 2123142104652 in words is "two trillion, one hundred twenty-three billion, one hundred forty-two million, one hundred four thousand, six hundred fifty-two".
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