Base | Representation |
---|---|
bin | 101000011111011101… |
… | …0111001110001110001 |
3 | 22022110001010101011111 |
4 | 1100332322321301301 |
5 | 2411040433134241 |
6 | 103540242513321 |
7 | 6165553041445 |
oct | 1207672716161 |
9 | 268401111144 |
10 | 86954974321 |
11 | 339718a8246 |
12 | 14a29065841 |
13 | 827a004837 |
14 | 42cc734825 |
15 | 23ddd91c81 |
hex | 143eeb9c71 |
86954974321 has 4 divisors (see below), whose sum is σ = 86958190144. Its totient is φ = 86951758500.
The previous prime is 86954974291. The next prime is 86954974361. The reversal of 86954974321 is 12347945968.
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 86954974321 - 213 = 86954966129 is a prime.
It is a super-2 number, since 2×869549743212 (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 (86954974361) 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, 1567005 + ... + 1621546.
It is an arithmetic number, because the mean of its divisors is an integer number (21739547536).
Almost surely, 286954974321 is an apocalyptic number.
It is an amenable number.
86954974321 is a deficient number, since it is larger than the sum of its proper divisors (3215823).
86954974321 is a wasteful number, since it uses less digits than its factorization.
86954974321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3215822.
The product of its digits is 13063680, while the sum is 58.
The spelling of 86954974321 in words is "eighty-six billion, nine hundred fifty-four million, nine hundred seventy-four thousand, three hundred twenty-one".
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