Base | Representation |
---|---|
bin | 110000111010001011… |
… | …1001111010111100101 |
3 | 101001002211020012212211 |
4 | 1201310113033113211 |
5 | 3210101023330141 |
6 | 120130100443421 |
7 | 10405530500662 |
oct | 1416427172745 |
9 | 331084205784 |
10 | 105031464421 |
11 | 405a8583864 |
12 | 184329a9571 |
13 | 9b9b036a20 |
14 | 5125392a69 |
15 | 2aead08d81 |
hex | 18745cf5e5 |
105031464421 has 8 divisors (see below), whose sum is σ = 113327918424. Its totient is φ = 96766026240.
The previous prime is 105031464403. The next prime is 105031464443. The reversal of 105031464421 is 124464130501.
It can be written as a sum of positive squares in 4 ways, for example, as 3245580900 + 101785883521 = 56970^2 + 319039^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 105031464421 - 221 = 105029367269 is a prime.
It is a super-2 number, since 2×1050314644212 (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 (105031464121) 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, 7746916 + ... + 7760461.
It is an arithmetic number, because the mean of its divisors is an integer number (14165989803).
Almost surely, 2105031464421 is an apocalyptic number.
It is an amenable number.
105031464421 is a deficient number, since it is larger than the sum of its proper divisors (8296454003).
105031464421 is a wasteful number, since it uses less digits than its factorization.
105031464421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15507911.
The product of its (nonzero) digits is 11520, while the sum is 31.
Adding to 105031464421 its reverse (124464130501), we get a palindrome (229495594922).
The spelling of 105031464421 in words is "one hundred five billion, thirty-one million, four hundred sixty-four thousand, four hundred twenty-one".
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