Base | Representation |
---|---|
bin | 1000011011110010001… |
… | …11110000100110001111 |
3 | 1000201000022012112011002 |
4 | 10031321013300212033 |
5 | 14221444442323111 |
6 | 341044022050515 |
7 | 26636246613440 |
oct | 4157107604617 |
9 | 1021008175132 |
10 | 289794886031 |
11 | 1019a0727112 |
12 | 481b7879a3b |
13 | 214347b6531 |
14 | 10051a692c7 |
15 | 78117d663b |
hex | 43791f098f |
289794886031 has 16 divisors (see below), whose sum is σ = 331803402240. Its totient is φ = 247939090560.
The previous prime is 289794886009. The next prime is 289794886039. The reversal of 289794886031 is 130688497982.
It is a happy number.
It is not a de Polignac number, because 289794886031 - 218 = 289794623887 is a prime.
It is a super-2 number, since 2×2897948860312 (a number of 24 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (289794886039) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9117575 + ... + 9149303.
It is an arithmetic number, because the mean of its divisors is an integer number (20737712640).
Almost surely, 2289794886031 is an apocalyptic number.
289794886031 is a deficient number, since it is larger than the sum of its proper divisors (42008516209).
289794886031 is a wasteful number, since it uses less digits than its factorization.
289794886031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34094.
The product of its (nonzero) digits is 41803776, while the sum is 65.
The spelling of 289794886031 in words is "two hundred eighty-nine billion, seven hundred ninety-four million, eight hundred eighty-six thousand, thirty-one".
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