Search a number
-
+
10101189 = 37481009
BaseRepresentation
bin100110100010…
…000111000101
3201000012020010
4212202013011
510041214224
61000300433
7151600350
oct46420705
921005203
1010101189
11577a19a
123471719
132128947
1414ad297
15d47e29
hex9a21c5

10101189 has 8 divisors (see below), whose sum is σ = 15392320. Its totient is φ = 5772096.

The previous prime is 10101187. The next prime is 10101197. The reversal of 10101189 is 98110101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10101189 - 21 = 10101187 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 481009 = 10101189 / (1 + 0 + 1 + 0 + 1 + 1 + 8 + 9).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240484 + ... + 240525.

It is an arithmetic number, because the mean of its divisors is an integer number (1924040).

Almost surely, 210101189 is an apocalyptic number.

It is an amenable number.

10101189 is a deficient number, since it is larger than the sum of its proper divisors (5291131).

10101189 is an equidigital number, since it uses as much as digits as its factorization.

10101189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481019.

The product of its (nonzero) digits is 72, while the sum is 21.

The square root of 10101189 is about 3178.2367753206. The cubic root of 10101189 is about 216.1677152497.

The spelling of 10101189 in words is "ten million, one hundred one thousand, one hundred eighty-nine".

Divisors: 1 3 7 21 481009 1443027 3367063 10101189