Search a number
-
+
9091000101 = 343104967181
BaseRepresentation
bin10000111011101110…
…11010011100100101
3212110120022122200110
420131313122130211
5122104244000401
64102031403233
7441166140321
oct103567323445
925416278613
109091000101
1139456a5a27
121918683519
13b1b592501
14623542981
153831a49d6
hex21ddda725

9091000101 has 16 divisors (see below), whose sum is σ = 12415233600. Its totient is φ = 5913989760.

The previous prime is 9091000081. The next prime is 9091000103. The reversal of 9091000101 is 1010001909.

It is not a de Polignac number, because 9091000101 - 214 = 9090983717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9091000103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101731 + ... + 168911.

It is an arithmetic number, because the mean of its divisors is an integer number (775952100).

Almost surely, 29091000101 is an apocalyptic number.

It is an amenable number.

9091000101 is a deficient number, since it is larger than the sum of its proper divisors (3324233499).

9091000101 is a wasteful number, since it uses less digits than its factorization.

9091000101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68276.

The product of its (nonzero) digits is 81, while the sum is 21.

The square root of 9091000101 is about 95346.7361843079. The cubic root of 9091000101 is about 2087.0709870092.

The spelling of 9091000101 in words is "nine billion, ninety-one million, one hundred one", and thus it is an aban number.

Divisors: 1 3 43 129 1049 3147 45107 67181 135321 201543 2888783 8666349 70472869 211418607 3030333367 9091000101