Base | Representation |
---|---|
bin | 1100000011100… |
… | …10011111000111 |
3 | 21001022001100012 |
4 | 12001302133013 |
5 | 201342212411 |
6 | 14011340435 |
7 | 2335416104 |
oct | 601623707 |
9 | 231261305 |
10 | 101132231 |
11 | 520a5162 |
12 | 29a5171b |
13 | 17c4bc75 |
14 | d607aab |
15 | 8d2a18b |
hex | 60727c7 |
101132231 has 4 divisors (see below), whose sum is σ = 106455000. Its totient is φ = 95809464.
The previous prime is 101132191. The next prime is 101132233. The reversal of 101132231 is 132231101.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132231101 = 167 ⋅791803.
It is a cyclic number.
It is not a de Polignac number, because 101132231 - 218 = 100870087 is a prime.
It is a super-2 number, since 2×1011322312 = 20455456294074722, which 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 (101132233) 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, 2661356 + ... + 2661393.
It is an arithmetic number, because the mean of its divisors is an integer number (26613750).
Almost surely, 2101132231 is an apocalyptic number.
101132231 is a deficient number, since it is larger than the sum of its proper divisors (5322769).
101132231 is an equidigital number, since it uses as much as digits as its factorization.
101132231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5322768.
The product of its (nonzero) digits is 36, while the sum is 14.
The square root of 101132231 is about 10056.4522074139. The cubic root of 101132231 is about 465.9040968135.
Adding to 101132231 its reverse (132231101), we get a palindrome (233363332).
It can be divided in two parts, 101 and 132231, that multiplied together give a palindrome (13355331).
The spelling of 101132231 in words is "one hundred one million, one hundred thirty-two thousand, two hundred thirty-one".
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