Base | Representation |
---|---|
bin | 1111100111001000010… |
… | …1000101111001110001 |
3 | 221122021110012200102101 |
4 | 3321302011011321301 |
5 | 13343234142103443 |
6 | 323113225420401 |
7 | 25243202422252 |
oct | 3716205057161 |
9 | 848243180371 |
10 | 268201909873 |
11 | a381aa93577 |
12 | 43b9033a701 |
13 | 1c3a3094b71 |
14 | cda3d9ab29 |
15 | 6e9aca784d |
hex | 3e72145e71 |
268201909873 has 8 divisors (see below), whose sum is σ = 268417195200. Its totient is φ = 267986696208.
The previous prime is 268201909853. The next prime is 268201909891. The reversal of 268201909873 is 378909102862.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-268201909873 is a prime.
It is a super-2 number, since 2×2682019098732 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (268201909853) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9349290 + ... + 9377932.
It is an arithmetic number, because the mean of its divisors is an integer number (33552149400).
Almost surely, 2268201909873 is an apocalyptic number.
It is an amenable number.
268201909873 is a deficient number, since it is larger than the sum of its proper divisors (215285327).
268201909873 is a wasteful number, since it uses less digits than its factorization.
268201909873 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35831.
The product of its (nonzero) digits is 2612736, while the sum is 55.
The spelling of 268201909873 in words is "two hundred sixty-eight billion, two hundred one million, nine hundred nine thousand, eight hundred seventy-three".
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