Base | Representation |
---|---|
bin | 101111000010000010… |
… | …1001110011010110101 |
3 | 100122200212201021120021 |
4 | 1132010011032122311 |
5 | 3123322023210401 |
6 | 114222053005141 |
7 | 10203610422640 |
oct | 1360405163265 |
9 | 318625637507 |
10 | 101000210101 |
11 | 39919a9281a |
12 | 176a89237b1 |
13 | 96a7ac143b |
14 | 4c61c24a57 |
15 | 2961e5d2a1 |
hex | 178414e6b5 |
101000210101 has 4 divisors (see below), whose sum is σ = 115428811552. Its totient is φ = 86571608652.
The previous prime is 101000210099. The next prime is 101000210117. The reversal of 101000210101 is 101012000101.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 101012000101 = 1087 ⋅92927323.
It is a cyclic number.
It is not a de Polignac number, because 101000210101 - 21 = 101000210099 is a prime.
It is a super-2 number, since 2×1010002101012 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (7), and also a Moran number because the ratio is a prime number: 14428601443 = 101000210101 / (1 + 0 + 1 + 0 + 0 + 0 + 2 + 1 + 0 + 1 + 0 + 1).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101000610101) 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, 7214300715 + ... + 7214300728.
It is an arithmetic number, because the mean of its divisors is an integer number (28857202888).
Almost surely, 2101000210101 is an apocalyptic number.
It is an amenable number.
101000210101 is a deficient number, since it is larger than the sum of its proper divisors (14428601451).
101000210101 is an equidigital number, since it uses as much as digits as its factorization.
101000210101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14428601450.
The product of its (nonzero) digits is 2, while the sum is 7.
Adding to 101000210101 its reverse (101012000101), we get a palindrome (202012210202).
The spelling of 101000210101 in words is "one hundred one billion, two hundred ten thousand, one hundred one".
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