Base | Representation |
---|---|
bin | 10010110010001111… |
… | …110110010101110101 |
3 | 1221001201002212201111 |
4 | 102302033312111311 |
5 | 312302103241443 |
6 | 13133252555021 |
7 | 1312561205461 |
oct | 226217662565 |
9 | 57051085644 |
10 | 20170368373 |
11 | 8610713331 |
12 | 3aab022a71 |
13 | 1b95a8881c |
14 | d94b934a1 |
15 | 7d0bc069d |
hex | 4b23f6575 |
20170368373 has 2 divisors, whose sum is σ = 20170368374. Its totient is φ = 20170368372.
The previous prime is 20170368329. The next prime is 20170368391. The reversal of 20170368373 is 37386307102.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 14074975044 + 6095393329 = 118638^2 + 78073^2 .
It is a cyclic number.
It is not a de Polignac number, because 20170368373 - 217 = 20170237301 is a prime.
It is a super-3 number, since 3×201703683733 (a number of 32 digits) contains 333 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (20170368313) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10085184186 + 10085184187.
It is an arithmetic number, because the mean of its divisors is an integer number (10085184187).
Almost surely, 220170368373 is an apocalyptic number.
It is an amenable number.
20170368373 is a deficient number, since it is larger than the sum of its proper divisors (1).
20170368373 is an equidigital number, since it uses as much as digits as its factorization.
20170368373 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 127008, while the sum is 40.
The spelling of 20170368373 in words is "twenty billion, one hundred seventy million, three hundred sixty-eight thousand, three hundred seventy-three".
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