Base | Representation |
---|---|
bin | 110001001000001011… |
… | …0111010010100000111 |
3 | 101002022120000012222012 |
4 | 1202100112322110013 |
5 | 3212031242441411 |
6 | 120244435324435 |
7 | 10423262616134 |
oct | 1422026722407 |
9 | 332276005865 |
10 | 105501140231 |
11 | 40819709193 |
12 | 1854415071b |
13 | 9c444323c6 |
14 | 516b8d358b |
15 | 2b2718218b |
hex | 18905ba507 |
105501140231 has 8 divisors (see below), whose sum is σ = 110095722720. Its totient is φ = 100907189152.
The previous prime is 105501140207. The next prime is 105501140257. The reversal of 105501140231 is 132041105501.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 105501140231 - 26 = 105501140167 is a prime.
It is a super-2 number, since 2×1055011402312 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 105501140197 and 105501140206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (105501100231) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200981 + ... + 501393.
It is an arithmetic number, because the mean of its divisors is an integer number (13761965340).
Almost surely, 2105501140231 is an apocalyptic number.
105501140231 is a deficient number, since it is larger than the sum of its proper divisors (4594582489).
105501140231 is a wasteful number, since it uses less digits than its factorization.
105501140231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 315705.
The product of its (nonzero) digits is 600, while the sum is 23.
Adding to 105501140231 its reverse (132041105501), we get a palindrome (237542245732).
The spelling of 105501140231 in words is "one hundred five billion, five hundred one million, one hundred forty thousand, two hundred thirty-one".
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