Base | Representation |
---|---|
bin | 100111111100110010… |
… | …1010110110111110011 |
3 | 22012102222012211121211 |
4 | 1033321211112313303 |
5 | 2401200133322134 |
6 | 103225005500551 |
7 | 6124666255510 |
oct | 1177145266763 |
9 | 265388184554 |
10 | 85791698419 |
11 | 334251a48a9 |
12 | 14763571757 |
13 | 8122ccaabb |
14 | 421c044307 |
15 | 2371bac764 |
hex | 13f9956df3 |
85791698419 has 4 divisors (see below), whose sum is σ = 98047655344. Its totient is φ = 73535741496.
The previous prime is 85791698407. The next prime is 85791698429. The reversal of 85791698419 is 91489619758.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91489619758 = 2 ⋅45744809879.
It is not a de Polignac number, because 85791698419 - 213 = 85791690227 is a prime.
It is a super-2 number, since 2×857916984192 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (85791698429) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6127978452 + ... + 6127978465.
It is an arithmetic number, because the mean of its divisors is an integer number (24511913836).
Almost surely, 285791698419 is an apocalyptic number.
85791698419 is a deficient number, since it is larger than the sum of its proper divisors (12255956925).
85791698419 is a wasteful number, since it uses less digits than its factorization.
85791698419 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12255956924.
The product of its digits is 39191040, while the sum is 67.
The spelling of 85791698419 in words is "eighty-five billion, seven hundred ninety-one million, six hundred ninety-eight thousand, four hundred nineteen".
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