Base | Representation |
---|---|
bin | 10010101100001000… |
… | …011001010111001000 |
3 | 1220210120000101122200 |
4 | 102230020121113020 |
5 | 312044321020433 |
6 | 13115145320200 |
7 | 1310204033520 |
oct | 225410312710 |
9 | 56716011580 |
10 | 20067751368 |
11 | 85687a4695 |
12 | 3a80796060 |
13 | 1b7a739ac2 |
14 | d852c0680 |
15 | 7c6ba0613 |
hex | 4ac2195c8 |
20067751368 has 96 divisors (see below), whose sum is σ = 62561553600. Its totient is φ = 5692374144.
The previous prime is 20067751343. The next prime is 20067751373. The reversal of 20067751368 is 86315776002.
20067751368 is a `hidden beast` number, since 2 + 0 + 0 + 6 + 77 + 513 + 68 = 666.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73171 + ... + 213282.
It is an arithmetic number, because the mean of its divisors is an integer number (651682850).
Almost surely, 220067751368 is an apocalyptic number.
20067751368 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
20067751368 is an abundant number, since it is smaller than the sum of its proper divisors (42493802232).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20067751368 is a wasteful number, since it uses less digits than its factorization.
20067751368 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 286611 (or 286604 counting only the distinct ones).
The product of its (nonzero) digits is 423360, while the sum is 45.
The spelling of 20067751368 in words is "twenty billion, sixty-seven million, seven hundred fifty-one thousand, three hundred sixty-eight".
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