Base | Representation |
---|---|
bin | 10011011001100110… |
… | …101111100101001000 |
3 | 1222202201121020221010 |
4 | 103121212233211020 |
5 | 320130123301131 |
6 | 13323001443520 |
7 | 1335126604416 |
oct | 233146574510 |
9 | 58681536833 |
10 | 20830681416 |
11 | 891a416296 |
12 | 40541a05a0 |
13 | 1c6c8109bc |
14 | 101875a2b6 |
15 | 81db53b46 |
hex | 4d99af948 |
20830681416 has 32 divisors (see below), whose sum is σ = 52087674240. Its totient is φ = 6942097728.
The previous prime is 20830681357. The next prime is 20830681439. The reversal of 20830681416 is 61418603802.
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, 28065 + ... + 206031.
It is an arithmetic number, because the mean of its divisors is an integer number (1627739820).
Almost surely, 220830681416 is an apocalyptic number.
It is an amenable number.
20830681416 is an abundant number, since it is smaller than the sum of its proper divisors (31256992824).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20830681416 is a wasteful number, since it uses less digits than its factorization.
20830681416 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 182853 (or 182849 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 39.
The spelling of 20830681416 in words is "twenty billion, eight hundred thirty million, six hundred eighty-one thousand, four hundred sixteen".
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