Base | Representation |
---|---|
bin | 100000010100001001111… |
… | …101001011011100100010 |
3 | 21212021220222012122012020 |
4 | 200110021331023130202 |
5 | 242340410232442032 |
6 | 4420054240242310 |
7 | 316303103054616 |
oct | 40241175133442 |
9 | 7767828178166 |
10 | 2220665124642 |
11 | 78686262aa98 |
12 | 2ba468310396 |
13 | 13153bca9443 |
14 | 796a3313346 |
15 | 3cb707a1b2c |
hex | 20509f4b722 |
2220665124642 has 16 divisors (see below), whose sum is σ = 4482076399680. Its totient is φ = 733430683152.
The previous prime is 2220665124631. The next prime is 2220665124661. The reversal of 2220665124642 is 2464215660222.
It is a junction number, because it is equal to n+sod(n) for n = 2220665124594 and 2220665124603.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1697755558 + ... + 1697756865.
It is an arithmetic number, because the mean of its divisors is an integer number (280129774980).
Almost surely, 22220665124642 is an apocalyptic number.
2220665124642 is an abundant number, since it is smaller than the sum of its proper divisors (2261411275038).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2220665124642 is a wasteful number, since it uses less digits than its factorization.
2220665124642 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3395512537.
The product of its (nonzero) digits is 552960, while the sum is 42.
The spelling of 2220665124642 in words is "two trillion, two hundred twenty billion, six hundred sixty-five million, one hundred twenty-four thousand, six hundred forty-two".
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