Search a number
-
+
1091001109093 = 7317187103603
BaseRepresentation
bin11111110000001001011…
…10111100101001100101
310212022001202001202002221
433320010232330221211
5120333332240442333
62153110552032341
7141552011263000
oct17700456745145
93768052052087
101091001109093
11390766758075
1215753a0926b1
137bb5b625a5c
143ab3a2a0537
151d5a5942d2d
hexfe04bbca65

1091001109093 has 16 divisors (see below), whose sum is σ = 1347145948800. Its totient is φ = 880135343808.

The previous prime is 1091001109043. The next prime is 1091001109141. The reversal of 1091001109093 is 3909011001901.

It is a de Polignac number, because none of the positive numbers 2k-1091001109093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1091001109043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93545971 + ... + 93557632.

It is an arithmetic number, because the mean of its divisors is an integer number (84196621800).

Almost surely, 21091001109093 is an apocalyptic number.

It is an amenable number.

1091001109093 is a deficient number, since it is larger than the sum of its proper divisors (256144839707).

1091001109093 is an equidigital number, since it uses as much as digits as its factorization.

1091001109093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187103641 (or 187103627 counting only the distinct ones).

The product of its (nonzero) digits is 2187, while the sum is 34.

The spelling of 1091001109093 in words is "one trillion, ninety-one billion, one million, one hundred nine thousand, ninety-three".

Divisors: 1 7 17 49 119 343 833 5831 187103603 1309725221 3180761251 9168076547 22265328757 64176535829 155857301299 1091001109093