Base | Representation |
---|---|
bin | 1100000010101… |
… | …01001101111001 |
3 | 21001001221212222 |
4 | 12001111031321 |
5 | 201324343340 |
6 | 14005013425 |
7 | 2334406430 |
oct | 601251571 |
9 | 231057788 |
10 | 101012345 |
11 | 52023085 |
12 | 299b4275 |
13 | 17c09525 |
14 | d5b6117 |
15 | 8d048b5 |
hex | 6055379 |
101012345 has 8 divisors (see below), whose sum is σ = 138531264. Its totient is φ = 69265584.
The previous prime is 101012333. The next prime is 101012347. The reversal of 101012345 is 543210101.
101012345 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.
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 101012345 - 28 = 101012089 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (101012347) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1442999 + ... + 1443068.
It is an arithmetic number, because the mean of its divisors is an integer number (17316408).
Almost surely, 2101012345 is an apocalyptic number.
It is an amenable number.
101012345 is a deficient number, since it is larger than the sum of its proper divisors (37518919).
101012345 is an equidigital number, since it uses as much as digits as its factorization.
101012345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2886079.
The product of its (nonzero) digits is 120, while the sum is 17.
The square root of 101012345 is about 10050.4897890600. The cubic root of 101012345 is about 465.7199238630.
Adding to 101012345 its reverse (543210101), we get a palindrome (644222446).
The spelling of 101012345 in words is "one hundred one million, twelve thousand, three hundred forty-five".
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