Base | Representation |
---|---|
bin | 100111100100001111… |
… | …1111011110111011001 |
3 | 22010022120122110020112 |
4 | 1033020133323313121 |
5 | 2343003324142442 |
6 | 103011151134105 |
7 | 6065406504515 |
oct | 1171037736731 |
9 | 263276573215 |
10 | 84968193497 |
11 | 3304236a420 |
12 | 14573814335 |
13 | 8021508395 |
14 | 418091b145 |
15 | 2324741082 |
hex | 13c87fbdd9 |
84968193497 has 4 divisors (see below), whose sum is σ = 92692574736. Its totient is φ = 77243812260.
The previous prime is 84968193481. The next prime is 84968193547. The reversal of 84968193497 is 79439186948.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 84968193497 - 24 = 84968193481 is a prime.
It is a super-2 number, since 2×849681934972 (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 (84968195497) 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, 3862190603 + ... + 3862190624.
It is an arithmetic number, because the mean of its divisors is an integer number (23173143684).
Almost surely, 284968193497 is an apocalyptic number.
It is an amenable number.
84968193497 is a deficient number, since it is larger than the sum of its proper divisors (7724381239).
84968193497 is a wasteful number, since it uses less digits than its factorization.
84968193497 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7724381238.
The product of its digits is 94058496, while the sum is 68.
The spelling of 84968193497 in words is "eighty-four billion, nine hundred sixty-eight million, one hundred ninety-three thousand, four hundred ninety-seven".
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