Base | Representation |
---|---|
bin | 11110110111100111100… |
… | …001111010001111011100 |
3 | 21111210110021102010020220 |
4 | 132313213201322033130 |
5 | 234223412121200012 |
6 | 4302302511441340 |
7 | 306154605366036 |
oct | 36674741721734 |
9 | 7453407363226 |
10 | 2121303303132 |
11 | 748704459932 |
12 | 2a3158226250 |
13 | 125065772010 |
14 | 74958d36c56 |
15 | 3a2a75c708c |
hex | 1ede787a3dc |
2121303303132 has 48 divisors (see below), whose sum is σ = 5333319479712. Its totient is φ = 652357889280.
The previous prime is 2121303303083. The next prime is 2121303303157. The reversal of 2121303303132 is 2313033031212.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3363123 + ... + 3943754.
It is an arithmetic number, because the mean of its divisors is an integer number (111110822494).
Almost surely, 22121303303132 is an apocalyptic number.
It is an amenable number.
2121303303132 is an abundant number, since it is smaller than the sum of its proper divisors (3212016176580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2121303303132 is a wasteful number, since it uses less digits than its factorization.
2121303303132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7308758 (or 7308756 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 24.
Adding to 2121303303132 its reverse (2313033031212), we get a palindrome (4434336334344).
The spelling of 2121303303132 in words is "two trillion, one hundred twenty-one billion, three hundred three million, three hundred three thousand, one hundred thirty-two".
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