Base | Representation |
---|---|
bin | 110000111001011010… |
… | …0110110011100100111 |
3 | 101001001000200211122112 |
4 | 1201302310312130213 |
5 | 3210022423002411 |
6 | 120123335551235 |
7 | 10405065326045 |
oct | 1416264663447 |
9 | 331030624575 |
10 | 105005672231 |
11 | 40594a677a9 |
12 | 1842622b51b |
13 | 9b958a6085 |
14 | 5121b9b395 |
15 | 2ae8911b8b |
hex | 1872d36727 |
105005672231 has 4 divisors (see below), whose sum is σ = 105006829464. Its totient is φ = 105004515000.
The previous prime is 105005672201. The next prime is 105005672273. The reversal of 105005672231 is 132276500501.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132276500501 = 19 ⋅6961921079.
It is a cyclic number.
It is not a de Polignac number, because 105005672231 - 210 = 105005671207 is a prime.
It is a super-2 number, since 2×1050056722312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (105005672201) 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, 429740 + ... + 628241.
It is an arithmetic number, because the mean of its divisors is an integer number (26251707366).
Almost surely, 2105005672231 is an apocalyptic number.
105005672231 is a deficient number, since it is larger than the sum of its proper divisors (1157233).
105005672231 is an equidigital number, since it uses as much as digits as its factorization.
105005672231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1157232.
The product of its (nonzero) digits is 12600, while the sum is 32.
The spelling of 105005672231 in words is "one hundred five billion, five million, six hundred seventy-two thousand, two hundred thirty-one".
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