Base | Representation |
---|---|
bin | 101111000011110101… |
… | …1101000100111001001 |
3 | 100122212002100221100021 |
4 | 1132013223220213021 |
5 | 3123433004014010 |
6 | 114232051340441 |
7 | 10205243005261 |
oct | 1360753504711 |
9 | 318762327307 |
10 | 101060610505 |
11 | 39950097508 |
12 | 17704bb1721 |
13 | 96b747b71a |
14 | 4c69c687a1 |
15 | 29673de8da |
hex | 1787ae89c9 |
101060610505 has 4 divisors (see below), whose sum is σ = 121272732612. Its totient is φ = 80848488400.
The previous prime is 101060610503. The next prime is 101060610523. The reversal of 101060610505 is 505016060101.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 71933385616 + 29127224889 = 268204^2 + 170667^2 .
It is not a de Polignac number, because 101060610505 - 21 = 101060610503 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 101060610505.
It is not an unprimeable number, because it can be changed into a prime (101060610503) 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, 10106061046 + ... + 10106061055.
It is an arithmetic number, because the mean of its divisors is an integer number (30318183153).
Almost surely, 2101060610505 is an apocalyptic number.
It is an amenable number.
101060610505 is a deficient number, since it is larger than the sum of its proper divisors (20212122107).
101060610505 is an equidigital number, since it uses as much as digits as its factorization.
101060610505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20212122106.
The product of its (nonzero) digits is 900, while the sum is 25.
Adding to 101060610505 its reverse (505016060101), we get a palindrome (606076670606).
The spelling of 101060610505 in words is "one hundred one billion, sixty million, six hundred ten thousand, five hundred five".
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