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8190843413 = 61379133447
BaseRepresentation
bin1111010000011011…
…00101101000010101
3210010211111221211212
413220031211220111
5113233323442123
63432434111205
7406656006644
oct75015455025
923124457755
108190843413
113523576985
12170711b505
13a06c4270c
14579b8535b
1532e146878
hex1e8365a15

8190843413 has 4 divisors (see below), whose sum is σ = 8191038240. Its totient is φ = 8190648588.

The previous prime is 8190843407. The next prime is 8190843443. The reversal of 8190843413 is 3143480918.

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 a cyclic number.

It is not a de Polignac number, because 8190843413 - 216 = 8190777877 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 (8190843403) 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, 5345 + ... + 128102.

It is an arithmetic number, because the mean of its divisors is an integer number (2047759560).

Almost surely, 28190843413 is an apocalyptic number.

It is an amenable number.

8190843413 is a deficient number, since it is larger than the sum of its proper divisors (194827).

8190843413 is a wasteful number, since it uses less digits than its factorization.

8190843413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194826.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 8190843413 is about 90503.2784654788. The cubic root of 8190843413 is about 2015.7788050342.

The spelling of 8190843413 in words is "eight billion, one hundred ninety million, eight hundred forty-three thousand, four hundred thirteen".

Divisors: 1 61379 133447 8190843413