Base | Representation |
---|---|
bin | 10010111000001100… |
… | …000010100110000000 |
3 | 1221022122122101021100 |
4 | 102320030002212000 |
5 | 313003112031110 |
6 | 13151213054400 |
7 | 1315211303640 |
oct | 227014024600 |
9 | 57278571240 |
10 | 20270033280 |
11 | 86619a6022 |
12 | 3b18487400 |
13 | 1bb0612943 |
14 | da40d8520 |
15 | 7d980abc0 |
hex | 4b8302980 |
20270033280 has 192 divisors, whose sum is σ = 79994397600. Its totient is φ = 4633141248.
The previous prime is 20270033279. The next prime is 20270033347. The reversal of 20270033280 is 8233007202.
It is a tau number, because it is divible by the number of its divisors (192).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 211045 + ... + 291684.
Almost surely, 220270033280 is an apocalyptic number.
20270033280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20270033280 is an abundant number, since it is smaller than the sum of its proper divisors (59724364320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20270033280 is a wasteful number, since it uses less digits than its factorization.
20270033280 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 502761 (or 502746 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 27.
The spelling of 20270033280 in words is "twenty billion, two hundred seventy million, thirty-three thousand, two hundred eighty".
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