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8981334309 = 32993778103
BaseRepresentation
bin10000101110101010…
…00100100100100101
3212011220222001111110
420113111010210211
5121343210144214
64043113055233
7435365040063
oct102725044445
925156861443
108981334309
113899802442
1218a79b7519
13b019462cc
14612b57033
15378741159
hex217544925

8981334309 has 4 divisors (see below), whose sum is σ = 11975112416. Its totient is φ = 5987556204.

The previous prime is 8981334289. The next prime is 8981334319. The reversal of 8981334309 is 9034331898.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 8981334309 - 212 = 8981330213 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 (8981334319) 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, 1496889049 + ... + 1496889054.

It is an arithmetic number, because the mean of its divisors is an integer number (2993778104).

Almost surely, 28981334309 is an apocalyptic number.

It is an amenable number.

8981334309 is a deficient number, since it is larger than the sum of its proper divisors (2993778107).

8981334309 is a wasteful number, since it uses less digits than its factorization.

8981334309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2993778106.

The product of its (nonzero) digits is 559872, while the sum is 48.

The square root of 8981334309 is about 94769.9019151123. The cubic root of 8981334309 is about 2078.6448203012.

The spelling of 8981334309 in words is "eight billion, nine hundred eighty-one million, three hundred thirty-four thousand, three hundred nine".

Divisors: 1 3 2993778103 8981334309