Base | Representation |
---|---|
bin | 1100001010000… |
… | …10111100110101 |
3 | 21002220102122000 |
4 | 12011002330311 |
5 | 202102023401 |
6 | 14041525513 |
7 | 2345603400 |
oct | 605027465 |
9 | 232812560 |
10 | 101986101 |
11 | 52628738 |
12 | 2a1a3899 |
13 | 1818a809 |
14 | d78ad37 |
15 | 8e48186 |
hex | 6142f35 |
101986101 has 48 divisors (see below), whose sum is σ = 177238080. Its totient is φ = 57788640.
The previous prime is 101986051. The next prime is 101986123. The reversal of 101986101 is 101689101.
It is not a de Polignac number, because 101986101 - 210 = 101985077 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
101986101 is a strobogrammatic number because it is the same when read upside-down.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101986501) 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 47 ways as a sum of consecutive naturals, for example, 207466 + ... + 207956.
It is an arithmetic number, because the mean of its divisors is an integer number (3692460).
Almost surely, 2101986101 is an apocalyptic number.
It is an amenable number.
101986101 is a deficient number, since it is larger than the sum of its proper divisors (75251979).
101986101 is a wasteful number, since it uses less digits than its factorization.
101986101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 671 (or 658 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 27.
The square root of 101986101 is about 10098.8168118844. The cubic root of 101986101 is about 467.2116494215.
The spelling of 101986101 in words is "one hundred one million, nine hundred eighty-six thousand, one hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •