Search a number
-
+
2831099073 = 31127799171
BaseRepresentation
bin1010100010111111…
…0010010011000001
321022022012201211020
42220233302103001
521244230132243
61144532140053
7130104642105
oct25057622301
97268181736
102831099073
111223099700
12670167629
133616c856a
141cbddb905
1511882e283
hexa8bf24c1

2831099073 has 12 divisors (see below), whose sum is σ = 4149159504. Its totient is φ = 1715817400.

The previous prime is 2831099071. The next prime is 2831099083. The reversal of 2831099073 is 3709901382.

It is not a de Polignac number, because 2831099073 - 21 = 2831099071 is a prime.

It is a super-2 number, since 2×28310990732 = 16030243922282918658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2831099071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3899223 + ... + 3899948.

It is an arithmetic number, because the mean of its divisors is an integer number (345763292).

Almost surely, 22831099073 is an apocalyptic number.

It is an amenable number.

2831099073 is a deficient number, since it is larger than the sum of its proper divisors (1318060431).

2831099073 is a wasteful number, since it uses less digits than its factorization.

2831099073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7799196 (or 7799185 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 2831099073 is about 53208.0733817717. The cubic root of 2831099073 is about 1414.6587469264.

The spelling of 2831099073 in words is "two billion, eight hundred thirty-one million, ninety-nine thousand, seventy-three".

Divisors: 1 3 11 33 121 363 7799171 23397513 85790881 257372643 943699691 2831099073